Screwdriver
US11717951B2 · kind B2 · utility
1Cited by
80References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 2021 |
| Grant date | Aug 8, 2023 |
| Priority date | — |
| Expiry date | Jul 27, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B23/0042
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A screwdriver comprises a handle including a butt and a shank extending from the handle and including a tip. The butt includes a first indicating element having a shape corresponding to the tip and a plurality of second indicating elements arranged around the first indicating element. Each of the second indicating elements has the shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.