Handheld retractable pull-through knife sharpener
US6846229B1 · kind B1 · utility
10Cited by
19References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 9, 2004 |
| Grant date | Jan 25, 2005 |
| Priority date | — |
| Expiry date | Jan 9, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24D15/06
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A retractable knife sharpener having an ergonomically shaped handle with an internal hollowed portion and an opening at one end thereof in communication with the hollowed portion and a sled slideably received within the hollowed portion and having an outer end with a knife sharpening structure and an inner end and selectively positionable, relative to the handle, between a retracted position and an extended position that exposes the knife sharpening structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.