Stirrup for suspending books, papers and the like on the face of an inclined drawing board
USD268687S · kind S · design
7Cited by
5References
1Claims
0Family size
Inventor
Key dates
| Filing date | Feb 23, 1981 |
| Grant date | Apr 19, 1983 |
| Priority date | — |
| Expiry date | Apr 19, 1997 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.