Wringer sponge mop
USD302759S · kind S · design
23Cited by
6References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 8, 1989 |
| Grant date | Aug 8, 1989 |
| Priority date | — |
| Expiry date | Aug 8, 2003 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.