FR774390A - Perfectionnements aux projecteurs - Google Patents

Perfectionnements aux projecteurs

Info

Publication number: FR774390A
Authority: FR; France
Prior art keywords: refinements; projector; projector refinements
Prior art date: 1934-06-09
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.)

Anciens Etablissements Barbier Benard and Turenne SA

Original Assignee

Anciens Etablissements Barbier Benard and Turenne SA

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.)

1934-06-09

Filing date

1934-06-09

Publication date

1934-12-05

1934-06-09 Application filed by Anciens Etablissements Barbier Benard and Turenne SA filed Critical Anciens Etablissements Barbier Benard and Turenne SA

1934-12-05 Application granted granted Critical

1934-12-05 Publication of FR774390A publication Critical patent/FR774390A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B31/00—Electric arc lamps
- H05B31/003—Electric arc lamps of a special type
- H05B31/0039—Projectors, the construction of which depends upon the presence of the arc

FR774390D 1934-06-09 1934-06-09 Perfectionnements aux projecteurs Expired FR774390A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR774390T		1934-06-09

Publications (1)

Publication Number	Publication Date
FR774390A true FR774390A (fr)	1934-12-05

Family

ID=9199862

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR774390D Expired FR774390A (fr)	1934-06-09	1934-06-09	Perfectionnements aux projecteurs

Country Status (1)

Country	Link
FR (1)	FR774390A (fr)

1934
- 1934-06-09 FR FR774390D patent/FR774390A/fr not_active Expired

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