FR778265A - Triple intensity electric lamp - Google Patents

Triple intensity electric lamp

Info

Publication number: FR778265A
Authority: FR; France
Prior art keywords: electric lamp; intensity electric; triple; triple intensity; lamp
Prior art date: 1934-09-12
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

Inventor

Labianca Jean Auguste

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.)

1934-09-12

Filing date

1934-09-12

Publication date

1935-03-13

1934-09-12 Application filed filed Critical

1935-03-13 Application granted granted Critical

1935-03-13 Publication of FR778265A publication Critical patent/FR778265A/en

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
- H01K9/02—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies
- H01K9/04—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies with built-in manually operated switch

FR778265D 1934-09-12 1934-09-12 Triple intensity electric lamp Expired FR778265A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR778265T		1934-09-12

Publications (1)

Publication Number	Publication Date
FR778265A true FR778265A (en)	1935-03-13

Family

ID=9202077

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR778265D Expired FR778265A (en)	1934-09-12	1934-09-12	Triple intensity electric lamp

Country Status (1)

Country	Link
FR (1)	FR778265A (en)

1934
- 1934-09-12 FR FR778265D patent/FR778265A/en not_active Expired

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