GB603424A - Gas-filled electric incandescent lamp with double helical incandescent body - Google Patents

Gas-filled electric incandescent lamp with double helical incandescent body

Info

Publication number
GB603424A
GB603424A GB20308/39A GB2030839A GB603424A GB 603424 A GB603424 A GB 603424A GB 20308/39 A GB20308/39 A GB 20308/39A GB 2030839 A GB2030839 A GB 2030839A GB 603424 A GB603424 A GB 603424A
Authority
GB
United Kingdom
Prior art keywords
gas
filled
july
incandescent
double helical
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
GB20308/39A
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.)
Ver Gluehlampen & Elek AG
Original Assignee
Ver Gluehlampen & Elek AG
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 Ver Gluehlampen & Elek AG filed Critical Ver Gluehlampen & Elek AG
Publication of GB603424A publication Critical patent/GB603424A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/14—Incandescent bodies characterised by the shape

Landscapes

  • Discharge Lamp (AREA)
GB20308/39A 1938-07-16 1939-07-12 Gas-filled electric incandescent lamp with double helical incandescent body Expired GB603424A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE212051X 1938-07-16

Publications (1)

Publication Number Publication Date
GB603424A true GB603424A (en) 1948-06-16

Family

ID=5806028

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20308/39A Expired GB603424A (en) 1938-07-16 1939-07-12 Gas-filled electric incandescent lamp with double helical incandescent body

Country Status (4)

Country Link
BE (1) BE435388A (en:Method)
CH (1) CH212051A (en:Method)
FR (1) FR857614A (en:Method)
GB (1) GB603424A (en:Method)

Also Published As

Publication number Publication date
FR857614A (fr) 1940-09-21
BE435388A (en:Method)
CH212051A (de) 1940-10-31

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