FR482802A - Procédé pour produire des lettres, chiffres et autres figures et signes luisant dans l'obscurité - Google Patents

Procédé pour produire des lettres, chiffres et autres figures et signes luisant dans l'obscurité

Info

Publication number
FR482802A
FR482802A FR482802DA FR482802A FR 482802 A FR482802 A FR 482802A FR 482802D A FR482802D A FR 482802DA FR 482802 A FR482802 A FR 482802A
Authority
FR
France
Prior art keywords
glowing
signs
dark
numbers
figures
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
English (en)
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.)
HORLOGERIE ET BIJOUTERIE DE GE
Original Assignee
HORLOGERIE ET BIJOUTERIE DE GE
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 HORLOGERIE ET BIJOUTERIE DE GE filed Critical HORLOGERIE ET BIJOUTERIE DE GE
Application granted granted Critical
Publication of FR482802A publication Critical patent/FR482802A/fr
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)
FR482802D 1916-06-29 1916-09-06 Procédé pour produire des lettres, chiffres et autres figures et signes luisant dans l'obscurité Expired FR482802A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH482802X 1916-06-29

Publications (1)

Publication Number Publication Date
FR482802A true FR482802A (fr) 1917-04-27

Family

ID=1519769

Family Applications (1)

Application Number Title Priority Date Filing Date
FR482802D Expired FR482802A (fr) 1916-06-29 1916-09-06 Procédé pour produire des lettres, chiffres et autres figures et signes luisant dans l'obscurité

Country Status (1)

Country Link
FR (1) FR482802A (fr)

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