FR553531A - - Google Patents
Info
- Publication number
- FR553531A FR553531A FR553531DA FR553531A FR 553531 A FR553531 A FR 553531A FR 553531D A FR553531D A FR 553531DA FR 553531 A FR553531 A FR 553531A
- Authority
- FR
- France
- 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
- G09F13/34—Illuminated signs; Luminous advertising with light sources co-operating with movable members, e.g. with shutters to cover or uncover the light source
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR553531A true FR553531A (enExample) | 1923-05-25 |
Family
ID=1538507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR553531D Expired FR553531A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR553531A (enExample) |
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0
- FR FR553531D patent/FR553531A/fr not_active Expired