GB390740A - Improvements in electric incandescent lamps - Google Patents

Improvements in electric incandescent lamps

Info

Publication number
GB390740A
GB390740A GB2795532A GB2795532A GB390740A GB 390740 A GB390740 A GB 390740A GB 2795532 A GB2795532 A GB 2795532A GB 2795532 A GB2795532 A GB 2795532A GB 390740 A GB390740 A GB 390740A
Authority
GB
United Kingdom
Prior art keywords
per cent
incandescent lamps
electric incandescent
manganese
copper
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
GB2795532A
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Publication of GB390740A publication Critical patent/GB390740A/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
    • H01K1/20—Mountings or supports for the incandescent body characterised by the material thereof

Landscapes

  • Manufacture And Refinement Of Metals (AREA)
  • Resistance Heating (AREA)
GB2795532A 1932-01-15 1932-10-07 Improvements in electric incandescent lamps Expired GB390740A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP64589D DE572563C (de) 1932-01-15 1932-01-15 Gasgefuellte elektrische Gluehlampe

Publications (1)

Publication Number Publication Date
GB390740A true GB390740A (en) 1933-04-13

Family

ID=37882145

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2795532A Expired GB390740A (en) 1932-01-15 1932-10-07 Improvements in electric incandescent lamps

Country Status (5)

Country Link
BE (1) BE387447A (fr)
DE (1) DE572563C (fr)
FR (1) FR734161A (fr)
GB (1) GB390740A (fr)
NL (1) NL32763C (fr)

Also Published As

Publication number Publication date
BE387447A (fr) 1932-04-30
DE572563C (de) 1933-03-18
FR734161A (fr) 1932-10-17
NL32763C (nl) 1934-05-15

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