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USD246975S · kind S · design
21Cited by
4References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 30, 1976 |
| Grant date | Jan 17, 1978 |
| Priority date | — |
| Expiry date | Jan 17, 1992 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.