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FR481918A - Perfectionnements apportés à la construction des lampes électriques à réflecteur - Google Patents

Perfectionnements apportés à la construction des lampes électriques à réflecteur

Info

Publication number
FR481918A
FR481918A FR481918DA FR481918A FR 481918 A FR481918 A FR 481918A FR 481918D A FR481918D A FR 481918DA FR 481918 A FR481918 A FR 481918A
Authority
FR
France
Prior art keywords
construction
electric lamps
reflector electric
reflector
lamps
Prior art date
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
English (en)
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR481918A publication Critical patent/FR481918A/fr
Expired legal-status Critical Current

Links

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 Perfectionnements apportés à la construction des lampes électriques à réflecteur Expired FR481918A (fr)

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 (fr) 1917-01-31

Family

ID=32246189

Family Applications (1)

Application Number Title Priority Date Filing Date
FR481918D Expired FR481918A (fr) 1916-05-11 1916-05-31 Perfectionnements apportés à la construction des lampes électriques à réflecteur

Country Status (2)

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

Also Published As

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

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