FR757070A - Perfectionnements aux lampes à arc - Google Patents

Perfectionnements aux lampes à arc

Info

Publication number: FR757070A
Authority: FR; France
Prior art keywords: refinements; arc lamp; lamp; arc; lamp refinements
Prior art date: 1932-06-23
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.): Expired

Application number

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Compagnie des Lampes

Original Assignee

Compagnie des Lampes

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.)

1932-06-23

Filing date

1933-06-16

Publication date

1933-12-19

1933-06-16 Application filed by Compagnie des Lampes filed Critical Compagnie des Lampes

1933-12-19 Application granted granted Critical

1933-12-19 Publication of FR757070A publication Critical patent/FR757070A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr

FR757070D 1932-06-23 1933-06-16 Perfectionnements aux lampes à arc Expired FR757070A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US618894A US2085530A (en)	1932-06-23	1932-06-23	Electric arc lamp
US705048A US2085531A (en)	1932-06-23	1934-01-03	Electric arc lamp

Publications (1)

Publication Number	Publication Date
FR757070A true FR757070A (fr)	1933-12-19

Family

ID=27088360

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
FR757070D Expired FR757070A (fr)	1932-06-23	1933-06-16	Perfectionnements aux lampes à arc
FR45736D Expired FR45736E (fr)	1932-06-23	1935-01-03	Perfectionnements aux lampes à arc

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
FR45736D Expired FR45736E (fr)	1932-06-23	1935-01-03	Perfectionnements aux lampes à arc

Country Status (3)

Country	Link
US (2)	US2085530A (fr)
FR (2)	FR757070A (fr)
GB (2)	GB425597A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2491881A (en) *	1944-02-26	1949-12-20	Gen Electric	Darkroom lamp
US2650321A (en) *	1946-12-18	1953-08-25	Gen Electric	Lamp unit and support structure therefor
US3396303A (en) *	1966-03-21	1968-08-06	Nasa Usa	Arc electrode of graphite with ball tip
US5834899A (en) *	1996-10-16	1998-11-10	Tapeswitch Corporation Of America	Fluorescent apparatus and method employing low-frequency excitation into a conductive-resistive inductive medium
CN113260099B (zh) *	2021-07-15	2021-09-28	南通兴胜灯具制造有限公司	一种电热式喷灯

1932
- 1932-06-23 US US618894A patent/US2085530A/en not_active Expired - Lifetime
1933
- 1933-06-16 GB GB17247/33A patent/GB425597A/en not_active Expired
- 1933-06-16 FR FR757070D patent/FR757070A/fr not_active Expired
1934
- 1934-01-03 US US705048A patent/US2085531A/en not_active Expired - Lifetime
1935
- 1935-01-02 GB GB152/35A patent/GB451353A/en not_active Expired
- 1935-01-03 FR FR45736D patent/FR45736E/fr not_active Expired

Also Published As

Publication number	Publication date
GB425597A (en)	1935-03-18
US2085531A (en)	1937-06-29
GB451353A (en)	1936-08-04
FR45736E (fr)	1935-11-18
US2085530A (en)	1937-06-29

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