Circle drafting template
USD282671S · kind S · design
20Cited by
7References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 21, 1983 |
| Grant date | Feb 18, 1986 |
| Priority date | — |
| Expiry date | Feb 18, 2000 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.