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FR818239A - Reflective light bulb - Google Patents

Reflective light bulb

Info

Publication number
FR818239A
FR818239A FR818239DA FR818239A FR 818239 A FR818239 A FR 818239A FR 818239D A FR818239D A FR 818239DA FR 818239 A FR818239 A FR 818239A
Authority
FR
France
Prior art keywords
light bulb
reflective light
reflective
bulb
light
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.)
ANOMYME HOLOPHANE SOC
Original Assignee
ANOMYME HOLOPHANE SOC
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 ANOMYME HOLOPHANE SOC filed Critical ANOMYME HOLOPHANE SOC
Application granted granted Critical
Publication of FR818239A publication Critical patent/FR818239A/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
FR818239D 1936-05-26 1936-05-26 Reflective light bulb Expired FR818239A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR818239T 1936-05-26

Publications (1)

Publication Number Publication Date
FR818239A true FR818239A (en) 1937-09-21

Family

ID=9268770

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818239D Expired FR818239A (en) 1936-05-26 1936-05-26 Reflective light bulb

Country Status (1)

Country Link
FR (1) FR818239A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0527528A1 (en) * 1991-08-09 1993-02-17 Koninklijke Philips Electronics N.V. Electric light source with reflector; blown bulb and reflector for use therein

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0527528A1 (en) * 1991-08-09 1993-02-17 Koninklijke Philips Electronics N.V. Electric light source with reflector; blown bulb and reflector for use therein

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