GB297170A - Improvements in or relating to electric incandescent lamps with concentrated filaments - Google Patents

Improvements in or relating to electric incandescent lamps with concentrated filaments

Info

Publication number
GB297170A
GB297170A GB1774527A GB1774527A GB297170A GB 297170 A GB297170 A GB 297170A GB 1774527 A GB1774527 A GB 1774527A GB 1774527 A GB1774527 A GB 1774527A GB 297170 A GB297170 A GB 297170A
Authority
GB
United Kingdom
Prior art keywords
relating
incandescent lamps
electric incandescent
concentrated
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.)
Expired
Application number
GB1774527A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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
Priority to FR654519D priority Critical patent/FR654519A/fr
Priority to NL37382D priority patent/NL37382C/xx
Priority to DEN28529D priority patent/DE551265C/de
Priority to BE351572D priority patent/BE351572A/xx
Priority to NL22329D priority patent/NL22329C/xx
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to GB1774527A priority patent/GB297170A/en
Publication of GB297170A publication Critical patent/GB297170A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/18—Mountings or supports for the incandescent body

Landscapes

  • Cyclones (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
GB1774527A 1927-07-04 1927-07-04 Improvements in or relating to electric incandescent lamps with concentrated filaments Expired GB297170A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR654519D FR654519A (fr) 1927-07-04 Perfectionnement aux lampes à incandescence et appareils analogues
NL37382D NL37382C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1927-07-04
DEN28529D DE551265C (de) 1927-07-04 Elektrische Projektionsgluehlampe mit eng zusammengedraengtem Gluehkoerper
BE351572D BE351572A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1927-07-04
NL22329D NL22329C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1927-07-04
GB1774527A GB297170A (en) 1927-07-04 1927-07-04 Improvements in or relating to electric incandescent lamps with concentrated filaments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1774527A GB297170A (en) 1927-07-04 1927-07-04 Improvements in or relating to electric incandescent lamps with concentrated filaments

Publications (1)

Publication Number Publication Date
GB297170A true GB297170A (en) 1928-09-20

Family

ID=10100482

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1774527A Expired GB297170A (en) 1927-07-04 1927-07-04 Improvements in or relating to electric incandescent lamps with concentrated filaments

Country Status (4)

Country Link
BE (1) BE351572A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR (1) FR654519A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
GB (1) GB297170A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
NL (1) NL22329C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Also Published As

Publication number Publication date
BE351572A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
NL22329C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR654519A (fr) 1929-04-05

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