Four wheel trolley
USD263574S · kind S · design
3Cited by
3References
1Claims
0Family size
Inventor
Key dates
| Filing date | Mar 15, 1979 |
| Grant date | Mar 30, 1982 |
| Priority date | — |
| Expiry date | Mar 30, 1996 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.