FR938619A - Perfectionnements aux lampes-projecteurs - Google Patents

Perfectionnements aux lampes-projecteurs

Info

Publication number: FR938619A
Authority: FR; France
Prior art keywords: projector lamps; projector; lamps
Prior art date: 1941-03-28
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.)

1941-03-28

Filing date

1946-09-10

Publication date

1948-10-20

1946-09-10 Application filed by Compagnie des Lampes filed Critical Compagnie des Lampes

1948-10-20 Application granted granted Critical

1948-10-20 Publication of FR938619A publication Critical patent/FR938619A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
- H01K3/12—Joining of mount or stem to vessel; Joining parts of the vessel, e.g. by butt sealing

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)

FR938619D 1941-03-28 1946-09-10 Perfectionnements aux lampes-projecteurs Expired FR938619A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US938619XA	1941-03-28	1941-03-28

Publications (1)

Publication Number	Publication Date
FR938619A true FR938619A (fr)	1948-10-20

Family

ID=22241302

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR938619D Expired FR938619A (fr)	1941-03-28	1946-09-10	Perfectionnements aux lampes-projecteurs

Country Status (1)

Country	Link
FR (1)	FR938619A (fr)

1946
- 1946-09-10 FR FR938619D patent/FR938619A/fr not_active Expired

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