EP1122030A3 - Schleifwerkzeug - Google Patents
Schleifwerkzeug Download PDFInfo
- Publication number
- EP1122030A3 EP1122030A3 EP01101689A EP01101689A EP1122030A3 EP 1122030 A3 EP1122030 A3 EP 1122030A3 EP 01101689 A EP01101689 A EP 01101689A EP 01101689 A EP01101689 A EP 01101689A EP 1122030 A3 EP1122030 A3 EP 1122030A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- abrasive
- grain
- parts
- ultra
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000006061 abrasive grain Substances 0.000 abstract 7
- 239000010953 base metal Substances 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/017—Devices or means for dressing, cleaning or otherwise conditioning lapping tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/06—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/12—Dressing tools; Holders therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0018—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for by electrolytic deposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
- B24D7/06—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04024424A EP1500469A1 (de) | 2000-02-07 | 2001-01-30 | Schleifwerkzeug |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000029614 | 2000-02-07 | ||
| JP2000029614A JP2001219376A (ja) | 2000-02-07 | 2000-02-07 | 電着砥石 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04024424A Division EP1500469A1 (de) | 2000-02-07 | 2001-01-30 | Schleifwerkzeug |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1122030A2 EP1122030A2 (de) | 2001-08-08 |
| EP1122030A3 true EP1122030A3 (de) | 2003-12-10 |
| EP1122030B1 EP1122030B1 (de) | 2006-06-28 |
Family
ID=18554846
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04024424A Withdrawn EP1500469A1 (de) | 2000-02-07 | 2001-01-30 | Schleifwerkzeug |
| EP01101689A Expired - Lifetime EP1122030B1 (de) | 2000-02-07 | 2001-01-30 | Schleifwerkzeug |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04024424A Withdrawn EP1500469A1 (de) | 2000-02-07 | 2001-01-30 | Schleifwerkzeug |
Country Status (6)
| Country | Link |
|---|---|
| EP (2) | EP1500469A1 (de) |
| JP (1) | JP2001219376A (de) |
| KR (1) | KR100749385B1 (de) |
| AT (1) | ATE331591T1 (de) |
| DE (1) | DE60121070T2 (de) |
| HK (1) | HK1039296A1 (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6669745B2 (en) * | 2001-02-21 | 2003-12-30 | 3M Innovative Properties Company | Abrasive article with optimally oriented abrasive particles and method of making the same |
| TWI238753B (en) * | 2002-12-19 | 2005-09-01 | Miyanaga Kk | Diamond disk for grinding |
| JP2005015868A (ja) * | 2003-06-27 | 2005-01-20 | Yuichiro Niizaki | 金属粘土素材とこの金属粘土素材で形成したブラシ毛素材、シャンク、ディスク状砥石及びバリ取り冶具 |
| US20060276111A1 (en) * | 2005-06-02 | 2006-12-07 | Applied Materials, Inc. | Conditioning element for electrochemical mechanical processing |
| JP4896114B2 (ja) * | 2008-11-20 | 2012-03-14 | 株式会社ノリタケカンパニーリミテド | 電着工具の製造方法 |
| KR101250471B1 (ko) | 2011-03-18 | 2013-04-24 | (주)인성다이아몬드 | 거친면 연마디스크 |
| CN103551999A (zh) * | 2013-11-08 | 2014-02-05 | 谢泽 | 一种基于纤维绳生产涂附磨具的方法 |
| CN103552002A (zh) * | 2013-11-08 | 2014-02-05 | 谢泽 | 一种基于纤维砂绳涂附磨具的抛光轮 |
| JPWO2015194278A1 (ja) * | 2014-06-17 | 2017-04-20 | バンドー化学株式会社 | 研磨パッド及び研磨パッドの製造方法 |
| EP3319757B1 (de) * | 2015-07-08 | 2020-09-02 | 3M Innovative Properties Company | Systeme und verfahren zur herstellung von schleifkörpern |
| JP7315332B2 (ja) * | 2019-01-31 | 2023-07-26 | 株式会社荏原製作所 | ダミーディスクおよびダミーディスクを用いた表面高さ測定方法 |
| CN117754474B (zh) * | 2023-12-28 | 2026-01-13 | 华侨大学 | 基于磨粒浓度差异分布的磨料研磨盘及其制作方法 |
| JP7763919B1 (ja) * | 2024-10-31 | 2025-11-04 | 株式会社ジェイテクトグラインディングツール | 研削工具及びその製造方法 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06114743A (ja) * | 1992-04-30 | 1994-04-26 | Osaka Diamond Ind Co Ltd | 電着砥石 |
| JPH0919868A (ja) * | 1995-07-07 | 1997-01-21 | Asahi Daiyamondo Kogyo Kk | 電着ホイール及びその製造方法 |
| JPH1177535A (ja) * | 1997-09-09 | 1999-03-23 | Asahi Diamond Ind Co Ltd | コンディショナ及びその製造方法 |
| US5989405A (en) * | 1996-06-28 | 1999-11-23 | Asahi Diamond Industrial Co., Ltd. | Process for producing a dresser |
| US6001008A (en) * | 1998-04-22 | 1999-12-14 | Fujimori Technology Laboratory Inc. | Abrasive dresser for polishing disc of chemical-mechanical polisher |
| US6004196A (en) * | 1998-02-27 | 1999-12-21 | Micron Technology, Inc. | Polishing pad refurbisher for in situ, real-time conditioning and cleaning of a polishing pad used in chemical-mechanical polishing of microelectronic substrates |
-
2000
- 2000-02-07 JP JP2000029614A patent/JP2001219376A/ja active Pending
-
2001
- 2001-01-30 EP EP04024424A patent/EP1500469A1/de not_active Withdrawn
- 2001-01-30 AT AT01101689T patent/ATE331591T1/de not_active IP Right Cessation
- 2001-01-30 EP EP01101689A patent/EP1122030B1/de not_active Expired - Lifetime
- 2001-01-30 DE DE60121070T patent/DE60121070T2/de not_active Expired - Fee Related
- 2001-02-07 KR KR1020010005927A patent/KR100749385B1/ko not_active Expired - Fee Related
-
2002
- 2002-01-29 HK HK02100678.7A patent/HK1039296A1/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06114743A (ja) * | 1992-04-30 | 1994-04-26 | Osaka Diamond Ind Co Ltd | 電着砥石 |
| JPH0919868A (ja) * | 1995-07-07 | 1997-01-21 | Asahi Daiyamondo Kogyo Kk | 電着ホイール及びその製造方法 |
| US5989405A (en) * | 1996-06-28 | 1999-11-23 | Asahi Diamond Industrial Co., Ltd. | Process for producing a dresser |
| JPH1177535A (ja) * | 1997-09-09 | 1999-03-23 | Asahi Diamond Ind Co Ltd | コンディショナ及びその製造方法 |
| US6004196A (en) * | 1998-02-27 | 1999-12-21 | Micron Technology, Inc. | Polishing pad refurbisher for in situ, real-time conditioning and cleaning of a polishing pad used in chemical-mechanical polishing of microelectronic substrates |
| US6001008A (en) * | 1998-04-22 | 1999-12-14 | Fujimori Technology Laboratory Inc. | Abrasive dresser for polishing disc of chemical-mechanical polisher |
Non-Patent Citations (3)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 018, no. 396 (M - 1644) 25 July 1994 (1994-07-25) * |
| PATENT ABSTRACTS OF JAPAN vol. 1997, no. 05 30 May 1997 (1997-05-30) * |
| PATENT ABSTRACTS OF JAPAN vol. 1999, no. 08 30 June 1999 (1999-06-30) * |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE331591T1 (de) | 2006-07-15 |
| JP2001219376A (ja) | 2001-08-14 |
| EP1122030B1 (de) | 2006-06-28 |
| EP1122030A2 (de) | 2001-08-08 |
| KR20010078363A (ko) | 2001-08-20 |
| DE60121070T2 (de) | 2007-06-06 |
| EP1500469A1 (de) | 2005-01-26 |
| HK1039296A1 (en) | 2002-04-19 |
| DE60121070D1 (de) | 2006-08-10 |
| KR100749385B1 (ko) | 2007-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1122030A3 (de) | Schleifwerkzeug | |
| EP1120196A3 (de) | Galvanisch hergestellte Schleifscheibe und dessen Herstellungsvorrichtung | |
| EP1112815A3 (de) | Schleifwerkzeug, Herstellung- und Anwendungsverfahren | |
| US3869263A (en) | Abrasive member | |
| ZA200803185B (en) | Abrasive particulate material, and method of planarizing a workpiece using the abrasive particular material | |
| EP1340737A3 (de) | Halbleitender polykristalliner Diamant | |
| WO2004072199A3 (en) | Mixed-abrasive polishing composition and method for using the same | |
| ATE184822T1 (de) | Verbundschleifkörper | |
| WO2012031251A3 (en) | Bonded abrasive articles, method of forming such articles, and grinding performance of such articles | |
| ATE452729T1 (de) | Hochpräzions-mehrkorn-schneidmesser | |
| ATE265912T1 (de) | Schleifspindel für schleifmaschinen mit abschnittsweise harzgebundener grober und feiner körnung | |
| MY141458A (en) | Method and apparatus for grinding a workpieces | |
| CN104959920A (zh) | 一种耐磨削砂轮 | |
| EP1066927A3 (de) | Metallgebundenes Schleifwerkzeug und dessen Herstellungsverfahren | |
| CN201565854U (zh) | 一种可拆卸组合式金刚石磨轮 | |
| CN105500226A (zh) | 一种新型超硬磨料砂轮 | |
| AU2001247271A1 (en) | Method and apparatus for shaping edges | |
| ATE328705T1 (de) | Abbauwerkzeug zum abrasiven abbauen von feststoffen | |
| USD473120S1 (en) | Chuck | |
| JP2653739B2 (ja) | ビトリファイドcbn砥石 | |
| EP1252975A3 (de) | Galvanisch beschichtete Dünnblatt-Schleifscheibe | |
| CN213917795U (zh) | 一种s型金刚石磨轮 | |
| CN206550879U (zh) | 一种支撑强度高的金刚砂砂轮片 | |
| CN209223862U (zh) | 一种团簇状金刚石抛光轮 | |
| CN206010841U (zh) | 一种新型金刚石磨盘 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
| AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
| RIC1 | Information provided on ipc code assigned before grant |
Ipc: 7B 24D 3/06 A Ipc: 7B 24D 18/00 B Ipc: 7B 24B 53/12 B Ipc: 7B 24B 37/04 B Ipc: 7B 24D 7/00 B |
|
| AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
| AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
| 17P | Request for examination filed |
Effective date: 20040205 |
|
| AKX | Designation fees paid |
Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
| 17Q | First examination report despatched |
Effective date: 20040806 |
|
| GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
| GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20060628 Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060628 Ref country code: CH Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060628 Ref country code: BE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060628 Ref country code: AT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060628 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060628 Ref country code: LI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060628 |
|
| REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
| REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D |
|
| REF | Corresponds to: |
Ref document number: 60121070 Country of ref document: DE Date of ref document: 20060810 Kind code of ref document: P |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060928 Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060928 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20061009 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20061128 |
|
| NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070131 |
|
| PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
| EN | Fr: translation not filed | ||
| 26N | No opposition filed |
Effective date: 20070329 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060929 Ref country code: FR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070511 |
|
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: WD Ref document number: 1039296 Country of ref document: HK |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060628 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20090122 Year of fee payment: 9 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060628 Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070130 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20090128 Year of fee payment: 9 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060628 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100803 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100130 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IE Payment date: 20170123 Year of fee payment: 17 |
|
| REG | Reference to a national code |
Ref country code: IE Ref legal event code: MM4A |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20180130 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20200123 Year of fee payment: 20 |
|
| REG | Reference to a national code |
Ref country code: GB Ref legal event code: PE20 Expiry date: 20210129 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20210129 |