FR564340A - Improvements to advertising devices - Google Patents

Improvements to advertising devices

Info

Publication number
FR564340A
FR564340A FR564340DA FR564340A FR 564340 A FR564340 A FR 564340A FR 564340D A FR564340D A FR 564340DA FR 564340 A FR564340 A FR 564340A
Authority
FR
France
Prior art keywords
advertising devices
advertising
devices
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
John Edmund Koehler
Raymond Paul
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 FR564340A publication Critical patent/FR564340A/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
    • G09F13/34—Illuminated signs; Luminous advertising with light sources co-operating with movable members, e.g. with shutters to cover or uncover the light source

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR564340D 1923-03-26 1923-03-26 Improvements to advertising devices Expired FR564340A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR564340T 1923-03-26

Publications (1)

Publication Number Publication Date
FR564340A true FR564340A (en) 1923-12-27

Family

ID=8945680

Family Applications (1)

Application Number Title Priority Date Filing Date
FR564340D Expired FR564340A (en) 1923-03-26 1923-03-26 Improvements to advertising devices

Country Status (1)

Country Link
FR (1) FR564340A (en)

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