DE252768C - - Google Patents

Info

Publication number
DE252768C
DE252768C DENDAT252768D DE252768DA DE252768C DE 252768 C DE252768 C DE 252768C DE NDAT252768 D DENDAT252768 D DE NDAT252768D DE 252768D A DE252768D A DE 252768DA DE 252768 C DE252768 C DE 252768C
Authority
DE
Germany
Prior art keywords
tube
incandescent lamp
attached
ring
filaments
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.)
Active
Application number
DENDAT252768D
Other languages
German (de)
English (en)
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.)
Publication of DE252768C publication Critical patent/DE252768C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/08—Manufacture of mounts or stems
    • H01K3/10—Machines therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Resistance Heating (AREA)
DENDAT252768D 1912-02-09 Active DE252768C (en(2012))

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191203348T 1912-02-09

Publications (1)

Publication Number Publication Date
DE252768C true DE252768C (en(2012))

Family

ID=32570085

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT252768D Active DE252768C (en(2012)) 1912-02-09

Country Status (3)

Country Link
DE (1) DE252768C (en(2012))
FR (1) FR440505A (en(2012))
GB (1) GB191203348A (en(2012))

Also Published As

Publication number Publication date
GB191203348A (en) 1912-08-08
FR440505A (fr) 1912-07-12

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