FR638087A - Interior reflector for incandescent electric lamps - Google Patents

Interior reflector for incandescent electric lamps

Info

Publication number
FR638087A
FR638087A FR638087DA FR638087A FR 638087 A FR638087 A FR 638087A FR 638087D A FR638087D A FR 638087DA FR 638087 A FR638087 A FR 638087A
Authority
FR
France
Prior art keywords
electric lamps
incandescent electric
interior reflector
reflector
interior
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.)
Osa Participations Industrielles SA
Original Assignee
Osa Participations Industrielles SA
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 Osa Participations Industrielles SA filed Critical Osa Participations Industrielles SA
Application granted granted Critical
Publication of FR638087A publication Critical patent/FR638087A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/26Screens; Filters
FR638087D 1926-12-08 1927-07-21 Interior reflector for incandescent electric lamps Expired FR638087A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE638087X 1926-12-08

Publications (1)

Publication Number Publication Date
FR638087A true FR638087A (en) 1928-05-15

Family

ID=6579671

Family Applications (1)

Application Number Title Priority Date Filing Date
FR638087D Expired FR638087A (en) 1926-12-08 1927-07-21 Interior reflector for incandescent electric lamps

Country Status (1)

Country Link
FR (1) FR638087A (en)

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