Roller chock
USD253161S · kind S · design
4Cited by
1References
1Claims
0Family size
Inventor
Key dates
| Filing date | Feb 21, 1978 |
| Grant date | Oct 16, 1979 |
| Priority date | — |
| Expiry date | Oct 16, 1993 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.