FR793475A - Discharge tubes and method of manufacture - Google Patents

Discharge tubes and method of manufacture

Info

Publication number
FR793475A
FR793475A FR793475DA FR793475A FR 793475 A FR793475 A FR 793475A FR 793475D A FR793475D A FR 793475DA FR 793475 A FR793475 A FR 793475A
Authority
FR
France
Prior art keywords
manufacture
discharge tubes
tubes
discharge
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
Other languages
French (fr)
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR793475A publication Critical patent/FR793475A/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
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
FR793475D 1934-08-11 1935-08-01 Discharge tubes and method of manufacture Expired FR793475A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US739480A US2056621A (en) 1934-08-11 1934-08-11 Gaseous or vapor electric discharge device and its manufacture

Publications (1)

Publication Number Publication Date
FR793475A true FR793475A (en) 1936-01-25

Family

ID=24972504

Family Applications (1)

Application Number Title Priority Date Filing Date
FR793475D Expired FR793475A (en) 1934-08-11 1935-08-01 Discharge tubes and method of manufacture

Country Status (3)

Country Link
US (1) US2056621A (en)
FR (1) FR793475A (en)
GB (1) GB440999A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427096A (en) * 1938-12-01 1947-09-09 Westinghouse Electric Corp Electrical device and molded stem therefor
US2451847A (en) * 1943-04-02 1948-10-19 Westinghouse Electric Corp Base structure for electron discharge tubes
US2881345A (en) * 1953-02-03 1959-04-07 Claude General Neon Lights Ltd Low pressure mercury vapour electric discharge lamps
US3069580A (en) * 1953-10-28 1962-12-18 Sylvania Electric Prod Fluorescent lamp
US3501617A (en) * 1967-11-24 1970-03-17 Chicago Bridge & Iron Co Apparatus for sublimating and evaporating metals

Also Published As

Publication number Publication date
US2056621A (en) 1936-10-06
GB440999A (en) 1936-01-09

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