FR651059A - Electric incandescent gas lamp - Google Patents

Electric incandescent gas lamp

Info

Publication number
FR651059A
FR651059A FR651059DA FR651059A FR 651059 A FR651059 A FR 651059A FR 651059D A FR651059D A FR 651059DA FR 651059 A FR651059 A FR 651059A
Authority
FR
France
Prior art keywords
gas lamp
electric incandescent
incandescent gas
electric
lamp
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
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR651059A publication Critical patent/FR651059A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/26—Screens; Filters
FR651059D 1927-03-25 1928-03-20 Electric incandescent gas lamp Expired FR651059A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL287563X 1927-03-25

Publications (1)

Publication Number Publication Date
FR651059A true FR651059A (en) 1929-02-14

Family

ID=19782600

Family Applications (1)

Application Number Title Priority Date Filing Date
FR651059D Expired FR651059A (en) 1927-03-25 1928-03-20 Electric incandescent gas lamp

Country Status (5)

Country Link
BE (1) BE349845A (en)
DE (1) DE494944C (en)
FR (1) FR651059A (en)
GB (1) GB287563A (en)
NL (1) NL22482C (en)

Also Published As

Publication number Publication date
GB287563A (en) 1928-08-30
DE494944C (en) 1930-03-31
NL22482C (en) 1929-03-15
BE349845A (en)

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