FR831112A - Improvements to devices for presenting advertisements - Google Patents

Improvements to devices for presenting advertisements

Info

Publication number
FR831112A
FR831112A FR831112DA FR831112A FR 831112 A FR831112 A FR 831112A FR 831112D A FR831112D A FR 831112DA FR 831112 A FR831112 A FR 831112A
Authority
FR
France
Prior art keywords
devices
presenting advertisements
advertisements
presenting
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
Norman Enholm
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 FR831112A publication Critical patent/FR831112A/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
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/12—Signs, boards or panels, illuminated from behind the insignia using a transparent mirror or other light reflecting surface transparent to transmitted light whereby a sign, symbol, picture or other is visible only when illuminated

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR831112D 1937-12-21 1937-12-21 Improvements to devices for presenting advertisements Expired FR831112A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR831112T 1937-12-21

Publications (1)

Publication Number Publication Date
FR831112A true FR831112A (en) 1938-08-23

Family

ID=9290494

Family Applications (1)

Application Number Title Priority Date Filing Date
FR831112D Expired FR831112A (en) 1937-12-21 1937-12-21 Improvements to devices for presenting advertisements

Country Status (1)

Country Link
FR (1) FR831112A (en)

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