FR512451A - Semi-opaque reflector bulb for electric lamps - Google Patents

Semi-opaque reflector bulb for electric lamps

Info

Publication number
FR512451A
FR512451A FR512451A FR512451DA FR512451A FR 512451 A FR512451 A FR 512451A FR 512451 A FR512451 A FR 512451A FR 512451D A FR512451D A FR 512451DA FR 512451 A FR512451 A FR 512451A
Authority
FR
France
Prior art keywords
semi
electric lamps
opaque reflector
reflector bulb
bulb
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
FR512451A
Other languages
French (fr)
Inventor
Pierre Moretau
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.)
PIERRE MORETAU
Original Assignee
PIERRE MORETAU
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 PIERRE MORETAU filed Critical PIERRE MORETAU
Application granted granted Critical
Publication of FR512451A publication Critical patent/FR512451A/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
FR512451A 1920-03-09 1920-03-09 Semi-opaque reflector bulb for electric lamps Expired FR512451A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR512451T 1920-03-09

Publications (1)

Publication Number Publication Date
FR512451A true FR512451A (en) 1921-01-24

Family

ID=8912953

Family Applications (1)

Application Number Title Priority Date Filing Date
FR512451A Expired FR512451A (en) 1920-03-09 1920-03-09 Semi-opaque reflector bulb for electric lamps

Country Status (1)

Country Link
FR (1) FR512451A (en)

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