Book cover
USD290022S · kind S · design
6Cited by
8References
1Claims
0Family size
Inventor
Key dates
| Filing date | Aug 13, 1984 |
| Grant date | May 26, 1987 |
| Priority date | — |
| Expiry date | May 26, 2001 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.