Cup shaped shoe sole
USD311810S · kind S · design
146Cited by
30References
1Claims
0Family size
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Inventor
Key dates
| Filing date | Nov 3, 1989 |
| Grant date | Nov 6, 1990 |
| Priority date | — |
| Expiry date | Nov 6, 2004 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.