FR443515A - Lampe à incandescence à réflecteur double - Google Patents

Lampe à incandescence à réflecteur double

Info

Publication number
FR443515A
FR443515A FR443515A FR443515DA FR443515A FR 443515 A FR443515 A FR 443515A FR 443515 A FR443515 A FR 443515A FR 443515D A FR443515D A FR 443515DA FR 443515 A FR443515 A FR 443515A
Authority
FR
France
Prior art keywords
incandescent lamp
double reflector
reflector incandescent
double
lamp
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
FR443515A
Other languages
English (en)
Inventor
Heinrich Gethe
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.)
GLUEHLAMPENFABRIK HANSA GmbH
HEINRICH GETHE
Original Assignee
GLUEHLAMPENFABRIK HANSA GmbH
HEINRICH GETHE
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 GLUEHLAMPENFABRIK HANSA GmbH, HEINRICH GETHE filed Critical GLUEHLAMPENFABRIK HANSA GmbH
Application granted granted Critical
Publication of FR443515A publication Critical patent/FR443515A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/28Envelopes; Vessels
    • H01K1/32Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
    • H01K1/325Reflecting coating
FR443515A 1912-05-01 1912-05-08 Lampe à incandescence à réflecteur double Expired FR443515A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191210346T 1912-05-01

Publications (1)

Publication Number Publication Date
FR443515A true FR443515A (fr) 1912-09-26

Family

ID=32640824

Family Applications (1)

Application Number Title Priority Date Filing Date
FR443515A Expired FR443515A (fr) 1912-05-01 1912-05-08 Lampe à incandescence à réflecteur double

Country Status (4)

Country Link
DE (1) DE253505C (fr)
FR (1) FR443515A (fr)
GB (1) GB191210346A (fr)
NL (1) NL653C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909693A (en) * 1954-02-10 1959-10-20 Cibie Pierre Headlamp, notably vehicle headlamp

Also Published As

Publication number Publication date
NL653C (nl) 1916-12-01
DE253505C (de) 1912-11-09
GB191210346A (en) 1912-07-18

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