FR481918A - Improvements in the construction of reflector electric lamps - Google Patents

Improvements in the construction of reflector electric lamps

Info

Publication number: FR481918A
Authority: FR; France
Prior art keywords: construction; electric lamps; reflector electric; reflector; lamps
Prior art date: 1916-05-11
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

Otto Robert Sell

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.)

Individual

Original Assignee

Individual

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.)

1916-05-11

Filing date

1916-05-31

Publication date

1917-01-31

1916-05-31 Application filed by Individual filed Critical Individual

1917-01-31 Application granted granted Critical

1917-01-31 Publication of FR481918A publication Critical patent/FR481918A/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

FR481918D 1916-05-11 1916-05-31 Improvements in the construction of reflector electric lamps Expired FR481918A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB677116A GB105994A (en)	1916-05-11	1916-05-11	Improvements in and relating to Incandescent Electric Lamps.

Publications (1)

Publication Number	Publication Date
FR481918A true FR481918A (en)	1917-01-31

Family

ID=32246189

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR481918D Expired FR481918A (en)	1916-05-11	1916-05-31	Improvements in the construction of reflector electric lamps

Country Status (2)

Country	Link
FR (1)	FR481918A (en)
GB (1)	GB105994A (en)

1916
- 1916-05-11 GB GB677116A patent/GB105994A/en not_active Expired
- 1916-05-31 FR FR481918D patent/FR481918A/en not_active Expired

Also Published As

Publication number	Publication date
GB105994A (en)	1917-05-10

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