FR344942A - Transparency device - Google Patents

Transparency device

Info

Publication number
FR344942A
FR344942A FR344942DA FR344942A FR 344942 A FR344942 A FR 344942A FR 344942D A FR344942D A FR 344942DA FR 344942 A FR344942 A FR 344942A
Authority
FR
France
Prior art keywords
transparency device
transparency
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
Simon Peter David Fog
Christian Peter Olsen
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.)
CHRISTIAN PETER OLSEN
Original Assignee
CHRISTIAN PETER OLSEN
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 CHRISTIAN PETER OLSEN filed Critical CHRISTIAN PETER OLSEN
Application granted granted Critical
Publication of FR344942A publication Critical patent/FR344942A/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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/28—Signs formed by filament-type lamp

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR344942D 1904-07-19 1904-07-19 Transparency device Expired FR344942A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR344942T 1904-07-19

Publications (1)

Publication Number Publication Date
FR344942A true FR344942A (en) 1904-11-16

Family

ID=1393781

Family Applications (1)

Application Number Title Priority Date Filing Date
FR344942D Expired FR344942A (en) 1904-07-19 1904-07-19 Transparency device

Country Status (1)

Country Link
FR (1) FR344942A (en)

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