GB480511A - Improvements in and relating to electric incandescent lamps - Google Patents

Improvements in and relating to electric incandescent lamps

Info

Publication number
GB480511A
GB480511A GB21045/37A GB2104537A GB480511A GB 480511 A GB480511 A GB 480511A GB 21045/37 A GB21045/37 A GB 21045/37A GB 2104537 A GB2104537 A GB 2104537A GB 480511 A GB480511 A GB 480511A
Authority
GB
United Kingdom
Prior art keywords
filament
leads
wires
plane
july
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
GB21045/37A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB480511A publication Critical patent/GB480511A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/26—Screens; Filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
    • H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
GB21045/37A 1936-07-29 1937-07-29 Improvements in and relating to electric incandescent lamps Expired GB480511A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US93236A US2100879A (en) 1936-07-29 1936-07-29 Electric lamp

Publications (1)

Publication Number Publication Date
GB480511A true GB480511A (en) 1938-02-23

Family

ID=22237867

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21045/37A Expired GB480511A (en) 1936-07-29 1937-07-29 Improvements in and relating to electric incandescent lamps

Country Status (4)

Country Link
US (1) US2100879A (enrdf_load_stackoverflow)
FR (1) FR824594A (enrdf_load_stackoverflow)
GB (1) GB480511A (enrdf_load_stackoverflow)
NL (1) NL47365C (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2922510A (en) * 1956-05-18 1960-01-26 Kolman Mfg Company Screening plant
NL6607700A (enrdf_load_stackoverflow) * 1966-06-03 1967-12-04
NL6607701A (enrdf_load_stackoverflow) * 1966-06-03 1967-12-04
US3555338A (en) * 1967-03-10 1971-01-12 Sylvania Electric Prod Incandescent lamp
USD581064S1 (en) 2007-03-02 2008-11-18 Panasonic Corporation Lamp filament
USD581062S1 (en) 2007-03-02 2008-11-18 Panasonic Corporation Lamp filament

Also Published As

Publication number Publication date
FR824594A (fr) 1938-02-11
NL47365C (enrdf_load_stackoverflow)
US2100879A (en) 1937-11-30

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