FR687556A - Reflective electric lamp - Google Patents

Reflective electric lamp

Info

Publication number
FR687556A
FR687556A FR687556DA FR687556A FR 687556 A FR687556 A FR 687556A FR 687556D A FR687556D A FR 687556DA FR 687556 A FR687556 A FR 687556A
Authority
FR
France
Prior art keywords
electric lamp
reflective electric
reflective
lamp
electric
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)
Inventor
Gustave Weissmann
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 FR687556A publication Critical patent/FR687556A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
    • H01K1/325—Reflecting coating
FR687556D 1929-03-27 1929-03-27 Reflective electric lamp Expired FR687556A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR687556T 1929-03-27

Publications (1)

Publication Number Publication Date
FR687556A true FR687556A (en) 1930-08-11

Family

ID=9026213

Family Applications (1)

Application Number Title Priority Date Filing Date
FR687556D Expired FR687556A (en) 1929-03-27 1929-03-27 Reflective electric lamp

Country Status (2)

Country Link
FR (1) FR687556A (en)
GB (1) GB358028A (en)

Also Published As

Publication number Publication date
GB358028A (en) 1931-10-01

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