NL67953C - - Google Patents

Info

Publication number
NL67953C
NL67953C NL105371A NL105371A NL67953C NL 67953 C NL67953 C NL 67953C NL 105371 A NL105371 A NL 105371A NL 105371 A NL105371 A NL 105371A NL 67953 C NL67953 C NL 67953C
Authority
NL
Netherlands
Application number
NL105371A
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 filed Critical
Application granted granted Critical
Publication of NL67953C publication Critical patent/NL67953C/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/30Vessels; Containers
    • H01J61/33Special shape of cross-section, e.g. for producing cool spot
NL105371A 1940-12-30 1942-03-28 NL67953C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US372273A US2329124A (en) 1940-12-30 1940-12-30 Gaseous electrical discharge lamp

Publications (1)

Publication Number Publication Date
NL67953C true NL67953C (de) 1951-06-15

Family

ID=23467447

Family Applications (1)

Application Number Title Priority Date Filing Date
NL105371A NL67953C (de) 1940-12-30 1942-03-28

Country Status (5)

Country Link
US (1) US2329124A (de)
BE (1) BE444348A (de)
DE (1) DE748762C (de)
FR (1) FR878759A (de)
NL (1) NL67953C (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57187860A (en) * 1981-05-13 1982-11-18 Hitachi Ltd Discharge lamp with mercury of very high pressure
US5138228A (en) * 1990-12-31 1992-08-11 Welch Allyn, Inc. Bulb geometry for low power metal halide lamp

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE696505C (de) * 1938-12-01 1940-09-23 Patra Patent Treuhand Elektrische Hochleistungsueberdruckentladungslampe fuer Projektionszwecke

Also Published As

Publication number Publication date
BE444348A (de) 1942-03-31
FR878759A (fr) 1943-01-29
DE748762C (de) 1944-11-09
US2329124A (en) 1943-09-07

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