Sponge
USD271817S · kind S · design
67Cited by
4References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 4, 1980 |
| Grant date | Dec 13, 1983 |
| Priority date | — |
| Expiry date | Dec 13, 1997 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.