Cleaning brush block and handle unit
USD314282S · kind S · design
26Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 19, 1988 |
| Grant date | Feb 5, 1991 |
| Priority date | — |
| Expiry date | Feb 5, 2005 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.