FR51728E - Perfectionnements aux projecteurs - Google Patents

Perfectionnements aux projecteurs

Info

Publication number: FR51728E
Authority: FR; France
Prior art keywords: refinements; projector; projector refinements
Prior art date: 1941-08-21
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.)

1941-08-21

Filing date

1941-08-21

Publication date

1943-04-09

1941-08-21 Application filed by Compagnie des Lampes filed Critical Compagnie des Lampes

1943-04-09 Application granted granted Critical

1943-04-09 Publication of FR51728E publication Critical patent/FR51728E/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K9/00—Lamps having two or more incandescent bodies separately heated
- H01K9/08—Lamps having two or more incandescent bodies separately heated to provide selectively different light effects, e.g. for automobile headlamp

FR51728D 1941-08-21 1941-08-21 Perfectionnements aux projecteurs Expired FR51728E (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR51728T		1941-08-21

Publications (1)

Publication Number	Publication Date
FR51728E true FR51728E (fr)	1943-04-09

Family

ID=8686504

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR51728D Expired FR51728E (fr)	1941-08-21	1941-08-21	Perfectionnements aux projecteurs

Country Status (1)

Country	Link
FR (1)	FR51728E (fr)

1941
- 1941-08-21 FR FR51728D patent/FR51728E/fr not_active Expired

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