DE247659C - - Google Patents
Info
- Publication number
- DE247659C DE247659C DENDAT247659D DE247659DA DE247659C DE 247659 C DE247659 C DE 247659C DE NDAT247659 D DENDAT247659 D DE NDAT247659D DE 247659D A DE247659D A DE 247659DA DE 247659 C DE247659 C DE 247659C
- Authority
- DE
- Germany
- Prior art keywords
- rungs
- ladder
- plate
- scoreboard
- drawing boards
- 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.)
- Active
Links
- 239000004020 conductor Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/02—Signs, plates, panels or boards using readily-detachable elements bearing or forming symbols
- G09F7/08—Signs, plates, panels or boards using readily-detachable elements bearing or forming symbols the elements being secured or adapted to be secured by means of grooves, rails, or slits
- G09F7/10—Signs, plates, panels or boards using readily-detachable elements bearing or forming symbols the elements being secured or adapted to be secured by means of grooves, rails, or slits and slideably mounted
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Drawing Aids And Blackboards (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE247659C true DE247659C (cg-RX-API-DMAC7.html) |
Family
ID=506436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT247659D Active DE247659C (cg-RX-API-DMAC7.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE247659C (cg-RX-API-DMAC7.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1056913B (de) * | 1956-07-18 | 1959-05-06 | Kaufmann Metallwerk J C F | Anzeigetafel mit plattenfoermigen Anzeige-Elementen |
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0
- DE DENDAT247659D patent/DE247659C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1056913B (de) * | 1956-07-18 | 1959-05-06 | Kaufmann Metallwerk J C F | Anzeigetafel mit plattenfoermigen Anzeige-Elementen |