All-purpose row-crop wheel tractor
USD274524S · kind S · design
40Cited by
1References
1Claims
0Family size
Inventors
Key dates
| Filing date | May 7, 1981 |
| Grant date | Jul 3, 1984 |
| Priority date | — |
| Expiry date | Jul 3, 1998 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.