DE212356C - - Google Patents
Info
- Publication number
- DE212356C DE212356C DENDAT212356D DE212356DA DE212356C DE 212356 C DE212356 C DE 212356C DE NDAT212356 D DENDAT212356 D DE NDAT212356D DE 212356D A DE212356D A DE 212356DA DE 212356 C DE212356 C DE 212356C
- Authority
- DE
- Germany
- Prior art keywords
- leg
- compass
- insert
- fixed
- spiral
- 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
- 230000000284 resting effect Effects 0.000 claims 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L11/00—Non-circular-curve-drawing instruments
- B43L11/06—Non-circular-curve-drawing instruments for drawing spirals
Landscapes
- Sheet Holders (AREA)
- Toys (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB190908625T | 1909-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE212356C true DE212356C (cs) |
Family
ID=32443677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT212356D Active DE212356C (cs) | 1909-04-10 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE212356C (cs) |
| FR (1) | FR396907A (cs) |
| GB (1) | GB190908625A (cs) |
-
0
- DE DENDAT212356D patent/DE212356C/de active Active
-
1908
- 1908-11-30 FR FR396907A patent/FR396907A/fr not_active Expired
-
1909
- 1909-04-10 GB GB190908625D patent/GB190908625A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB190908625A (en) | 1909-06-03 |
| FR396907A (fr) | 1909-04-24 |
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