FR702874A - Incandescent lamp improvements - Google Patents

Incandescent lamp improvements

Info

Publication number
FR702874A
FR702874A FR702874DA FR702874A FR 702874 A FR702874 A FR 702874A FR 702874D A FR702874D A FR 702874DA FR 702874 A FR702874 A FR 702874A
Authority
FR
France
Prior art keywords
incandescent lamp
incandescent
lamp
lamp improvements
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 FR702874A publication Critical patent/FR702874A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/58—Cooling arrangements
FR702874D 1928-07-10 1929-07-10 Incandescent lamp improvements Expired FR702874A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US291677A US1804349A (en) 1928-07-10 1928-07-10 Incandescent lamp

Publications (1)

Publication Number Publication Date
FR702874A true FR702874A (en) 1931-04-18

Family

ID=23121345

Family Applications (1)

Application Number Title Priority Date Filing Date
FR702874D Expired FR702874A (en) 1928-07-10 1929-07-10 Incandescent lamp improvements

Country Status (4)

Country Link
US (1) US1804349A (en)
DE (1) DE485609C (en)
FR (1) FR702874A (en)
GB (1) GB315270A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3684908A (en) * 1970-09-25 1972-08-15 Itt Sealed beam high intensity xenon lamp with cooling structure
US3867660A (en) * 1973-08-13 1975-02-18 Gte Sylvania Inc Double chamber arc tube for high intensity discharge lamp
FR2555810B1 (en) * 1983-11-24 1986-05-23 Saranskoe Proizv Obied HALOGEN INCANDESCENT LAMP

Also Published As

Publication number Publication date
GB315270A (en) 1930-10-02
DE485609C (en) 1929-11-02
US1804349A (en) 1931-05-05

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