FR421593A - Improvements with light patterns - Google Patents

Improvements with light patterns

Info

Publication number
FR421593A
FR421593A FR421593DA FR421593A FR 421593 A FR421593 A FR 421593A FR 421593D A FR421593D A FR 421593DA FR 421593 A FR421593 A FR 421593A
Authority
FR
France
Prior art keywords
light patterns
patterns
light
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
Robert Francis Venner
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR421593A publication Critical patent/FR421593A/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
    • G09F13/06—Signs, boards or panels, illuminated from behind the insignia using individual cut-out symbols or cut-out silhouettes, e.g. perforated signs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR421593D 1910-10-19 1910-10-19 Improvements with light patterns Expired FR421593A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR421593T 1910-10-19

Publications (1)

Publication Number Publication Date
FR421593A true FR421593A (en) 1911-02-25

Family

ID=1464626

Family Applications (1)

Application Number Title Priority Date Filing Date
FR421593D Expired FR421593A (en) 1910-10-19 1910-10-19 Improvements with light patterns

Country Status (1)

Country Link
FR (1) FR421593A (en)

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