Pencil sharpener with eraser
US7886395B2 · kind B2 · utility
6Cited by
20References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2007 |
| Grant date | Feb 15, 2011 |
| Priority date | — |
| Expiry date | Dec 5, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43L19/0068
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A pencil sharpener case has a rotatable cover which covers a mechanical pencil sharpener. In one position, the cover may be rotatably retracted to provide access to the pencil sharpener. The case also mounts an eraser which may be used when the pencil sharpener is covered.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.