GB439593A - Improvements in and relating to electric lamps, electric discharge devices and like devices having an energy translating element in a sealed bulb - Google Patents

Improvements in and relating to electric lamps, electric discharge devices and like devices having an energy translating element in a sealed bulb

Info

Publication number
GB439593A
GB439593A GB34092/34A GB3409234A GB439593A GB 439593 A GB439593 A GB 439593A GB 34092/34 A GB34092/34 A GB 34092/34A GB 3409234 A GB3409234 A GB 3409234A GB 439593 A GB439593 A GB 439593A
Authority
GB
United Kingdom
Prior art keywords
devices
relating
electric
translating element
energy translating
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
GB34092/34A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB439593A publication Critical patent/GB439593A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/42Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/46Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap

Landscapes

  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
GB34092/34A 1933-11-29 1934-11-27 Improvements in and relating to electric lamps, electric discharge devices and like devices having an energy translating element in a sealed bulb Expired GB439593A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US700267A US1987427A (en) 1933-11-29 1933-11-29 Electric lamp

Publications (1)

Publication Number Publication Date
GB439593A true GB439593A (en) 1935-12-10

Family

ID=24812846

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34092/34A Expired GB439593A (en) 1933-11-29 1934-11-27 Improvements in and relating to electric lamps, electric discharge devices and like devices having an energy translating element in a sealed bulb

Country Status (4)

Country Link
US (1) US1987427A (enrdf_load_stackoverflow)
BE (1) BE406398A (enrdf_load_stackoverflow)
FR (1) FR782179A (enrdf_load_stackoverflow)
GB (1) GB439593A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2415902A (en) * 1944-04-12 1947-02-18 Gen Electric Lamp base and holder
US2722668A (en) * 1952-09-06 1955-11-01 Gen Electric Canada Electric lamp
NL102367C (enrdf_load_stackoverflow) * 1955-03-08
NL272114A (enrdf_load_stackoverflow) * 1960-12-05

Also Published As

Publication number Publication date
US1987427A (en) 1935-01-08
FR782179A (fr) 1935-05-31
BE406398A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
GB485329A (en) Improvements in and relating to electric discharge lamps
GB439593A (en) Improvements in and relating to electric lamps, electric discharge devices and like devices having an energy translating element in a sealed bulb
GB543570A (en) Improvements in or relating to wire seals particularly for use in incandescent lamps and discharge tubes
GB445215A (en) Improvements in electric high-pressure metal-vapour discharge lamps and like electric discharge devices
GB433233A (en) Improvements in and relating to electric lamps
FR765855A (fr) Culot et douille correspondante destinés aux tubes à décharges électriques ou aux lampes à incandescence
GB311704A (en) Improvements in vacuum or low pressure metallic vapour lamps
GB428414A (en) Improvements in and relating to electric incandescent lamps
USD106593S (en) Design for an electric illuminating
GB472753A (en) Improvements in or relating to caps for electric incandescent lamps or the like
GB488202A (en) Improvements in electric incandescent lamps
GB209795A (en) Improvements connected with electric incandescent lamps
GB460060A (en) Improvements in or relating to electric incandescent lamps
FR801501A (fr) Perfectionnements aux lampes électriques à incandescence, et semblables
GB228352A (en) An improved electric incandescent lamp bulb
GB419980A (en) Improvements in electric incandescent lamps, discharge tubes, and flash-light lamps
FR796171A (fr) Perfectionnements aux lampes électriques à incandescence, aux tubes à vide et aux valves thermoïoniques
CA350965A (en) Electrical incandescent lamp
CA348634A (en) Electric incandescent lamp
CA353245A (en) Incandescent electric lamp
CA350076A (en) Electric incandescent lamp
ES136954A3 (es) Perfeccionamientos en la fabricación de lámparas eléctricas de incandescencia y aparatos similares.
GB431417A (en) Improvements in electric discharge lamps
CA9925S (en) Reflector for use with electric and other lamps
CA9926S (en) Reflector for use with electric and other lamps