Push-rod for retrieving tool
USD287219S · kind S · design
4Cited by
7References
1Claims
0Family size
Inventor
Key dates
| Filing date | May 18, 1984 |
| Grant date | Dec 16, 1986 |
| Priority date | — |
| Expiry date | Dec 16, 2000 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.