Ratchet wrench
US4317392A · kind A · utility
14Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1981 |
| Grant date | Mar 2, 1982 |
| Priority date | — |
| Expiry date | Mar 30, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B13/462
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A ratchet wrench with an improved socket releasing mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.