FR831805A - Objets divers tels que lettres, chiffres, signes, etc., à surface fluorescente - Google Patents
Objets divers tels que lettres, chiffres, signes, etc., à surface fluorescenteInfo
- Publication number
- FR831805A FR831805A FR831805DA FR831805A FR 831805 A FR831805 A FR 831805A FR 831805D A FR831805D A FR 831805DA FR 831805 A FR831805 A FR 831805A
- Authority
- FR
- France
- Prior art keywords
- signs
- letters
- numbers
- various objects
- fluorescent surface
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR831805T | 1938-01-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR831805A true FR831805A (fr) | 1938-09-15 |
Family
ID=9294066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR831805D Expired FR831805A (fr) | 1938-01-08 | 1938-01-08 | Objets divers tels que lettres, chiffres, signes, etc., à surface fluorescente |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR831805A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0293348A1 (fr) | 1987-04-27 | 1988-11-30 | Lars Sefastsson | Dispositif phosphorescent |
-
1938
- 1938-01-08 FR FR831805D patent/FR831805A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0293348A1 (fr) | 1987-04-27 | 1988-11-30 | Lars Sefastsson | Dispositif phosphorescent |
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