FR572170A - Improvements to lamps for vehicle headlights and similar lighting apparatus - Google Patents

Improvements to lamps for vehicle headlights and similar lighting apparatus

Info

Publication number
FR572170A
FR572170A FR572170DA FR572170A FR 572170 A FR572170 A FR 572170A FR 572170D A FR572170D A FR 572170DA FR 572170 A FR572170 A FR 572170A
Authority
FR
France
Prior art keywords
lamps
lighting apparatus
vehicle headlights
similar lighting
similar
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
Lewis Garfield Williams
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 FR572170A publication Critical patent/FR572170A/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
FR572170D 1923-10-23 1923-10-23 Improvements to lamps for vehicle headlights and similar lighting apparatus Expired FR572170A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR572170T 1923-10-23

Publications (1)

Publication Number Publication Date
FR572170A true FR572170A (en) 1924-06-02

Family

ID=8951056

Family Applications (1)

Application Number Title Priority Date Filing Date
FR572170D Expired FR572170A (en) 1923-10-23 1923-10-23 Improvements to lamps for vehicle headlights and similar lighting apparatus

Country Status (1)

Country Link
FR (1) FR572170A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8201501B2 (en) 2009-09-04 2012-06-19 Tinsley Douglas M Dual path kiln improvement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8201501B2 (en) 2009-09-04 2012-06-19 Tinsley Douglas M Dual path kiln improvement

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