FR641599A - Improvements to irradiating signs - Google Patents

Improvements to irradiating signs

Info

Publication number
FR641599A
FR641599A FR641599DA FR641599A FR 641599 A FR641599 A FR 641599A FR 641599D A FR641599D A FR 641599DA FR 641599 A FR641599 A FR 641599A
Authority
FR
France
Prior art keywords
irradiating
signs
irradiating signs
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
Andre Janvier
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 FR641599A publication Critical patent/FR641599A/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)
FR641599D 1927-09-28 1927-09-28 Improvements to irradiating signs Expired FR641599A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR641599T 1927-09-28

Publications (1)

Publication Number Publication Date
FR641599A true FR641599A (en) 1928-08-07

Family

ID=8998257

Family Applications (1)

Application Number Title Priority Date Filing Date
FR641599D Expired FR641599A (en) 1927-09-28 1927-09-28 Improvements to irradiating signs

Country Status (1)

Country Link
FR (1) FR641599A (en)

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