FR782846A - Process for increasing the visibility of signals, signs, etc. - Google Patents

Process for increasing the visibility of signals, signs, etc.

Info

Publication number
FR782846A
FR782846A FR782846DA FR782846A FR 782846 A FR782846 A FR 782846A FR 782846D A FR782846D A FR 782846DA FR 782846 A FR782846 A FR 782846A
Authority
FR
France
Prior art keywords
visibility
signs
signals
increasing
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
Rene Armenault
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.)
PROD DE CHIMIE ORGANIQUE de la
Original Assignee
PROD DE CHIMIE ORGANIQUE de la
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 PROD DE CHIMIE ORGANIQUE de la filed Critical PROD DE CHIMIE ORGANIQUE de la
Application granted granted Critical
Publication of FR782846A publication Critical patent/FR782846A/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
    • G09F13/16—Signs formed of or incorporating reflecting elements or surfaces, e.g. warning signs having triangular or other geometrical shape

Landscapes

  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR782846D 1934-03-03 1934-03-03 Process for increasing the visibility of signals, signs, etc. Expired FR782846A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR782846T 1934-03-03

Publications (1)

Publication Number Publication Date
FR782846A true FR782846A (en) 1935-06-12

Family

ID=9213365

Family Applications (1)

Application Number Title Priority Date Filing Date
FR782846D Expired FR782846A (en) 1934-03-03 1934-03-03 Process for increasing the visibility of signals, signs, etc.

Country Status (1)

Country Link
FR (1) FR782846A (en)

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