GB457074A - Improvements in and relating to twin filament electric incandescent lamps - Google Patents

Improvements in and relating to twin filament electric incandescent lamps

Info

Publication number
GB457074A
GB457074A GB30378/35A GB3037835A GB457074A GB 457074 A GB457074 A GB 457074A GB 30378/35 A GB30378/35 A GB 30378/35A GB 3037835 A GB3037835 A GB 3037835A GB 457074 A GB457074 A GB 457074A
Authority
GB
United Kingdom
Prior art keywords
bulb
reflector
filament
incandescent lamps
electric incandescent
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
GB30378/35A
Other languages
English (en)
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.)
Egyesuelt Izzolampa es Villamossagi Rt
Original Assignee
Egyesuelt Izzolampa es Villamossagi Rt
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 Egyesuelt Izzolampa es Villamossagi Rt filed Critical Egyesuelt Izzolampa es Villamossagi Rt
Publication of GB457074A publication Critical patent/GB457074A/en
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
    • H01K9/08—Lamps having two or more incandescent bodies separately heated to provide selectively different light effects, e.g. for automobile headlamp

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
GB30378/35A 1934-11-03 1935-11-02 Improvements in and relating to twin filament electric incandescent lamps Expired GB457074A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU457074X 1934-11-03

Publications (1)

Publication Number Publication Date
GB457074A true GB457074A (en) 1936-11-20

Family

ID=10979233

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30378/35A Expired GB457074A (en) 1934-11-03 1935-11-02 Improvements in and relating to twin filament electric incandescent lamps

Country Status (3)

Country Link
BE (1) BE412058A (enrdf_load_stackoverflow)
FR (1) FR797287A (enrdf_load_stackoverflow)
GB (1) GB457074A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR797287A (fr) 1936-04-23
BE412058A (enrdf_load_stackoverflow)

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