GB297052A - Improvements in or relating to filaments for electric incandescent lamps - Google Patents

Improvements in or relating to filaments for electric incandescent lamps

Info

Publication number
GB297052A
GB297052A GB21438/28A GB2143828A GB297052A GB 297052 A GB297052 A GB 297052A GB 21438/28 A GB21438/28 A GB 21438/28A GB 2143828 A GB2143828 A GB 2143828A GB 297052 A GB297052 A GB 297052A
Authority
GB
United Kingdom
Prior art keywords
filaments
relating
incandescent lamps
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
GB21438/28A
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.)
FALK STADELMANN and Co Ltd
Original Assignee
FALK STADELMANN and 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 FALK STADELMANN and Co Ltd filed Critical FALK STADELMANN and Co Ltd
Publication of GB297052A publication Critical patent/GB297052A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/02Incandescent bodies
    • H01K1/14Incandescent bodies characterised by the shape

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
GB21438/28A 1927-09-13 1928-07-24 Improvements in or relating to filaments for electric incandescent lamps Expired GB297052A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE297052X 1927-09-13

Publications (1)

Publication Number Publication Date
GB297052A true GB297052A (en) 1929-01-17

Family

ID=6090561

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21438/28A Expired GB297052A (en) 1927-09-13 1928-07-24 Improvements in or relating to filaments for electric incandescent lamps

Country Status (3)

Country Link
BE (1) BE354121A (enrdf_load_stackoverflow)
FR (1) FR660274A (enrdf_load_stackoverflow)
GB (1) GB297052A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454765A (en) * 1944-09-28 1948-11-30 Tung Sol Lamp Works Inc Electric head lamp projector and incandescent lamp therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454765A (en) * 1944-09-28 1948-11-30 Tung Sol Lamp Works Inc Electric head lamp projector and incandescent lamp therefor

Also Published As

Publication number Publication date
BE354121A (enrdf_load_stackoverflow)
FR660274A (fr) 1929-07-09

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