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USD317784S · kind S · design
8Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 1987 |
| Grant date | Jun 25, 1991 |
| Priority date | — |
| Expiry date | Jun 25, 2005 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.