GB165901A - Improvements in electric incandescent lamps - Google Patents

Improvements in electric incandescent lamps

Info

Publication number
GB165901A
GB165901A GB6369/20A GB636920A GB165901A GB 165901 A GB165901 A GB 165901A GB 6369/20 A GB6369/20 A GB 6369/20A GB 636920 A GB636920 A GB 636920A GB 165901 A GB165901 A GB 165901A
Authority
GB
United Kingdom
Prior art keywords
arm
wire
filament
conductors
conductor
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
GB6369/20A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB6369/20A priority Critical patent/GB165901A/en
Priority to DE1920352454D priority patent/DE352454C/de
Priority to FR512770A priority patent/FR512770A/fr
Publication of GB165901A publication Critical patent/GB165901A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K9/00—Lamps having two or more incandescent bodies separately heated
    • H01K9/02—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies
    • H01K9/06—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies with built-in device, e.g. switch, for automatically completing circuit of reserve body

Landscapes

  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
GB6369/20A 1920-03-02 1920-03-02 Improvements in electric incandescent lamps Expired GB165901A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB6369/20A GB165901A (en) 1920-03-02 1920-03-02 Improvements in electric incandescent lamps
DE1920352454D DE352454C (de) 1920-03-02 1920-03-21 Elektrische Mehrfadengluehlampe
FR512770A FR512770A (fr) 1920-03-02 1920-03-30 Perfectionnements aux lampes électriques à incandescence

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB6369/20A GB165901A (en) 1920-03-02 1920-03-02 Improvements in electric incandescent lamps
DE352454T 1920-03-21
FR512770T 1920-03-30

Publications (1)

Publication Number Publication Date
GB165901A true GB165901A (en) 1921-07-04

Family

ID=9813233

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6369/20A Expired GB165901A (en) 1920-03-02 1920-03-02 Improvements in electric incandescent lamps

Country Status (3)

Country Link
DE (1) DE352454C (de)
FR (1) FR512770A (de)
GB (1) GB165901A (de)

Also Published As

Publication number Publication date
FR512770A (fr) 1921-01-31
DE352454C (de) 1922-04-28

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