Sharpener unit
US6334256B1 · kind B1 · utility
3Cited by
3References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 13, 2000 |
| Grant date | Jan 1, 2002 |
| Priority date | — |
| Expiry date | Mar 13, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43L23/00
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The sharpener units includes a pencil or core sharpener and a cover housing, which surrounds and secures the sharpener and comprises a floor part and a hood that is detachably secured thereto. A throughgoing opening is also provided for guiding a pencil or core from the outside into the pencil or core sharpener. The floor and hood parts of the cover housing include fixing elements for selectively securing sharpeners having different external dimensions or formats.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.