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USD321707S · kind S · design
4Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1989 |
| Grant date | Nov 19, 1991 |
| Priority date | — |
| Expiry date | Nov 19, 2005 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.