Rotary grinding stone
USD487279S1 · kind S1 · design
7Cited by
1References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 21, 2002 |
| Grant date | Mar 2, 2004 |
| Priority date | — |
| Expiry date | Mar 2, 2018 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.