Vehicle loading ramp
USD316771S · kind S · design
16Cited by
8References
1Claims
0Family size
Inventor
Key dates
| Filing date | May 18, 1989 |
| Grant date | May 7, 1991 |
| Priority date | — |
| Expiry date | May 7, 2005 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.