FR773117A - Lampes de signalisation - Google Patents

Lampes de signalisation

Info

Publication number
FR773117A
FR773117A FR773117DA FR773117A FR 773117 A FR773117 A FR 773117A FR 773117D A FR773117D A FR 773117DA FR 773117 A FR773117 A FR 773117A
Authority
FR
France
Prior art keywords
signal lamps
lamps
signal
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR773117A publication Critical patent/FR773117A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K9/00—Lamps having two or more incandescent bodies separately heated
    • H01K9/02—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/26—Screens; Filters
FR773117D 1933-05-11 1934-05-09 Lampes de signalisation Expired FR773117A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US670448A US2060637A (en) 1933-05-11 1933-05-11 Signal lamp

Publications (1)

Publication Number Publication Date
FR773117A true FR773117A (fr) 1934-11-12

Family

ID=24690437

Family Applications (1)

Application Number Title Priority Date Filing Date
FR773117D Expired FR773117A (fr) 1933-05-11 1934-05-09 Lampes de signalisation

Country Status (3)

Country Link
US (1) US2060637A (fr)
FR (1) FR773117A (fr)
GB (1) GB417986A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3074013A (en) * 1958-09-23 1963-01-15 Roy N Bowden Device for indicating short circuits
GB2170040A (en) * 1985-01-23 1986-07-23 Walter Anderson Improved light bulbs

Also Published As

Publication number Publication date
GB417986A (en) 1934-10-16
US2060637A (en) 1936-11-10

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