FR557919A - Process for the establishment of self-luminous billboards - Google Patents

Process for the establishment of self-luminous billboards

Info

Publication number
FR557919A
FR557919A FR557919DA FR557919A FR 557919 A FR557919 A FR 557919A FR 557919D A FR557919D A FR 557919DA FR 557919 A FR557919 A FR 557919A
Authority
FR
France
Prior art keywords
establishment
self
billboards
luminous
luminous billboards
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
Rudolf Von Seelen
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 FR557919A publication Critical patent/FR557919A/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
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR557919D 1921-10-29 1922-10-28 Process for the establishment of self-luminous billboards Expired FR557919A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE557919X 1921-10-29

Publications (1)

Publication Number Publication Date
FR557919A true FR557919A (en) 1923-08-18

Family

ID=6565226

Family Applications (1)

Application Number Title Priority Date Filing Date
FR557919D Expired FR557919A (en) 1921-10-29 1922-10-28 Process for the establishment of self-luminous billboards

Country Status (1)

Country Link
FR (1) FR557919A (en)

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