FR576015A - Lampes électriques à atmosphère gazeuse - Google Patents

Lampes électriques à atmosphère gazeuse

Info

Publication number
FR576015A
FR576015A FR576015DA FR576015A FR 576015 A FR576015 A FR 576015A FR 576015D A FR576015D A FR 576015DA FR 576015 A FR576015 A FR 576015A
Authority
FR
France
Prior art keywords
gas
electric lamps
filled electric
filled
lamps
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
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR576015A publication Critical patent/FR576015A/fr
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
FR576015D 1923-02-14 1924-01-19 Lampes électriques à atmosphère gazeuse Expired FR576015A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL211453X 1923-02-14

Publications (1)

Publication Number Publication Date
FR576015A true FR576015A (fr) 1924-08-09

Family

ID=19778847

Family Applications (1)

Application Number Title Priority Date Filing Date
FR576015D Expired FR576015A (fr) 1923-02-14 1924-01-19 Lampes électriques à atmosphère gazeuse

Country Status (3)

Country Link
DE (1) DE413293C (fr)
FR (1) FR576015A (fr)
GB (1) GB211453A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1115657B (de) * 1959-07-21 1961-10-19 Leonhard Braeuer Dipl Ing Blendschutz, insbesondere fuer Flugzeugfuehrerkanzeln

Also Published As

Publication number Publication date
DE413293C (de) 1925-05-05
GB211453A (en) 1924-11-27

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