FR795419A - Light signaling device - Google Patents

Light signaling device

Info

Publication number
FR795419A
FR795419A FR795419DA FR795419A FR 795419 A FR795419 A FR 795419A FR 795419D A FR795419D A FR 795419DA FR 795419 A FR795419 A FR 795419A
Authority
FR
France
Prior art keywords
signaling device
light signaling
light
signaling
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
William B Piper
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 FR795419A publication Critical patent/FR795419A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/26—Signs formed by electric discharge tubes
FR795419D 1934-09-27 1935-09-26 Light signaling device Expired FR795419A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US795419XA 1934-09-27 1934-09-27

Publications (1)

Publication Number Publication Date
FR795419A true FR795419A (en) 1936-03-13

Family

ID=22151200

Family Applications (1)

Application Number Title Priority Date Filing Date
FR795419D Expired FR795419A (en) 1934-09-27 1935-09-26 Light signaling device

Country Status (1)

Country Link
FR (1) FR795419A (en)

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