Rotary grinding stone
USD491961S1 · kind S1 · design
6Cited by
3References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 12, 2003 |
| Grant date | Jun 22, 2004 |
| Priority date | — |
| Expiry date | Jun 22, 2018 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.