ATE39539T1 - Bohrmeisselanordnung mit fluessigkeitsabscheider. - Google Patents

Bohrmeisselanordnung mit fluessigkeitsabscheider.

Info

Publication number: ATE39539T1
Authority: AT; Austria
Prior art keywords: drill bit; liquid separator; bit assembly; assembly; separator
Prior art date: 1982-10-19

Application number

AT83306327T

Other languages

English (en)

Inventor

Donald David Drummond

Roy Wilbert Wood

Walter Frank Johnsey

Original Assignee

Drumco

Priority date (The priority date 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 date listed.)

1982-10-19

Filing date

1983-10-18

Publication date

1989-01-15

1982-10-19 Priority claimed from US06/435,239 external-priority patent/US4541494A/en

1983-06-10 Priority claimed from US06/503,322 external-priority patent/US4515229A/en

1983-10-18 Application filed by Drumco filed Critical Drumco

1983-10-18 Priority claimed from EP19830306327 external-priority patent/EP0107475B1/de

1989-01-15 Application granted granted Critical

1989-01-15 Publication of ATE39539T1 publication Critical patent/ATE39539T1/de

Links

239000007788 liquid Substances 0.000 title 1

AT83306327T 1982-10-19 1983-10-18 Bohrmeisselanordnung mit fluessigkeitsabscheider. ATE39539T1 (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US06/435,239 US4541494A (en)	1982-10-19	1982-10-19	Drill bit assembly
US06/503,322 US4515229A (en)	1983-06-10	1983-06-10	Drill bit assembly with fluid separator
EP19830306327 EP0107475B1 (de)	1982-10-19	1983-10-18	Bohrmeisselanordnung mit Flüssigkeitsabscheider

Publications (1)

Publication Number	Publication Date
ATE39539T1 true ATE39539T1 (de)	1989-01-15

Family

ID=27226506

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT83306327T ATE39539T1 (de)	1982-10-19	1983-10-18	Bohrmeisselanordnung mit fluessigkeitsabscheider.

Country Status (1)

Country	Link
AT (1)	ATE39539T1 (de)

1983
- 1983-10-18 AT AT83306327T patent/ATE39539T1/de not_active IP Right Cessation

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Legal Events

Date	Code	Title	Description
1989-06-15	RER	Ceased as to paragraph 5 lit. 3 law introducing patent treaties