Hand-held sharpener as a container-type sharpener
US6381856B2 · kind B2 · utility
2Cited by
0References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 26, 2001 |
| Grant date | May 7, 2002 |
| Priority date | — |
| Expiry date | Jan 26, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43L23/00
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A container-type sharpener is provided with a generator that can be manually operated or set off and provides an acoustic or visual effect. For this purpose, a shavings-collecting container is configured to be compressible against a flexible restoring pressure and the effect generator is pressure-operated or pressure-controlled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.