Geometry template
US4736526A · kind A · utility
16Cited by
10References
10Claims
0Family size
Inventor
Key dates
| Filing date | Apr 17, 1987 |
| Grant date | Apr 12, 1988 |
| Priority date | — |
| Expiry date | Apr 17, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43L13/205
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Apparatus is disclosed in which a clear plastic template bears a combination of inscribed marks and aperatures adapted to cooperate with each other so as to enable a user to readily draw common geometric figures. The template further cooperates with an annexed arm which rotates with respect to the template to assist in drawing circles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.