Key
USD317249S · kind S · design
11Cited by
6References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 13, 1989 |
| Grant date | Jun 4, 1991 |
| Priority date | — |
| Expiry date | Jun 4, 2005 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.