FR545346A - - Google Patents
Info
- Publication number
- FR545346A FR545346A FR545346DA FR545346A FR 545346 A FR545346 A FR 545346A FR 545346D A FR545346D A FR 545346DA FR 545346 A FR545346 A FR 545346A
- 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
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/12—Signs, boards or panels, illuminated from behind the insignia using a transparent mirror or other light reflecting surface transparent to transmitted light whereby a sign, symbol, picture or other is visible only when illuminated
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR545346A true FR545346A (ja) | 1922-10-10 |
Family
ID=1537779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR545346D Expired FR545346A (ja) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR545346A (ja) |
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0
- FR FR545346D patent/FR545346A/fr not_active Expired