Recreational vehicle leveling ramp
USD314850S · kind S · design
12Cited by
5References
1Claims
0Family size
Inventor
Key dates
| Filing date | Aug 7, 1987 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | Feb 19, 2005 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.