GB450663A - Improvements in or relating to illuminating devices - Google Patents

Improvements in or relating to illuminating devices

Info

Publication number
GB450663A
GB450663A GB8630/36A GB863036A GB450663A GB 450663 A GB450663 A GB 450663A GB 8630/36 A GB8630/36 A GB 8630/36A GB 863036 A GB863036 A GB 863036A GB 450663 A GB450663 A GB 450663A
Authority
GB
United Kingdom
Prior art keywords
secured
casing
lamp
ring
rod
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
GB8630/36A
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
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB450663A publication Critical patent/GB450663A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
GB8630/36A 1935-06-14 1936-03-23 Improvements in or relating to illuminating devices Expired GB450663A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE450663X 1935-06-14

Publications (1)

Publication Number Publication Date
GB450663A true GB450663A (en) 1936-07-22

Family

ID=6538422

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8630/36A Expired GB450663A (en) 1935-06-14 1936-03-23 Improvements in or relating to illuminating devices

Country Status (3)

Country Link
BE (1) BE416041A (enrdf_load_stackoverflow)
FR (1) FR808321A (enrdf_load_stackoverflow)
GB (1) GB450663A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE416041A (enrdf_load_stackoverflow)
FR808321A (fr) 1937-02-03

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