Portable loading ramp
USD297064S · kind S · design
9Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 1985 |
| Grant date | Aug 2, 1988 |
| Priority date | — |
| Expiry date | Aug 2, 2002 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.