GB396210A - Improvements in or relating to electric lamps - Google Patents

Improvements in or relating to electric lamps

Info

Publication number
GB396210A
GB396210A GB17293/32A GB1729332A GB396210A GB 396210 A GB396210 A GB 396210A GB 17293/32 A GB17293/32 A GB 17293/32A GB 1729332 A GB1729332 A GB 1729332A GB 396210 A GB396210 A GB 396210A
Authority
GB
United Kingdom
Prior art keywords
bulb
electrodes
wire
filament
arc
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
GB17293/32A
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.)
SPERTI LAMP CORP
Original Assignee
SPERTI LAMP CORP
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 SPERTI LAMP CORP filed Critical SPERTI LAMP CORP
Publication of GB396210A publication Critical patent/GB396210A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/96Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope, e.g. for simulating daylight

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
GB17293/32A 1931-10-31 1932-06-18 Improvements in or relating to electric lamps Expired GB396210A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US396210XA 1931-10-31 1931-10-31

Publications (1)

Publication Number Publication Date
GB396210A true GB396210A (en) 1933-08-03

Family

ID=21906459

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17293/32A Expired GB396210A (en) 1931-10-31 1932-06-18 Improvements in or relating to electric lamps

Country Status (2)

Country Link
FR (1) FR739007A (enrdf_load_html_response)
GB (1) GB396210A (enrdf_load_html_response)

Also Published As

Publication number Publication date
FR739007A (enrdf_load_html_response) 1932-12-31

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