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USD305190S · kind S · design
11Cited by
7References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1987 |
| Grant date | Dec 26, 1989 |
| Priority date | — |
| Expiry date | Dec 26, 2003 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.