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GB777174A - Improvements in or relating to electric incandescent lamps - Google Patents

Improvements in or relating to electric incandescent lamps

Info

Publication number
GB777174A
GB777174A GB12803/55A GB1280355A GB777174A GB 777174 A GB777174 A GB 777174A GB 12803/55 A GB12803/55 A GB 12803/55A GB 1280355 A GB1280355 A GB 1280355A GB 777174 A GB777174 A GB 777174A
Authority
GB
United Kingdom
Prior art keywords
tube
pinch
arbor
electric incandescent
filament
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
GB12803/55A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries 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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB777174A publication Critical patent/GB777174A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/18—Mountings or supports for the incandescent body
    • H01K1/22—Lamp stems

Landscapes

  • Resistance Heating (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
GB12803/55A 1954-05-06 1955-05-03 Improvements in or relating to electric incandescent lamps Expired GB777174A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL331039X 1954-05-06

Publications (1)

Publication Number Publication Date
GB777174A true GB777174A (en) 1957-06-19

Family

ID=19784371

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12803/55A Expired GB777174A (en) 1954-05-06 1955-05-03 Improvements in or relating to electric incandescent lamps

Country Status (3)

Country Link
CH (1) CH331039A (de)
FR (1) FR1123475A (de)
GB (1) GB777174A (de)

Also Published As

Publication number Publication date
FR1123475A (fr) 1956-09-21
CH331039A (de) 1958-06-30

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