Shredder
US4957243A · kind A · utility
45Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 5, 1989 |
| Grant date | Sep 18, 1990 |
| Priority date | — |
| Expiry date | Sep 5, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB02C2018/0038
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A shredder for feeding documents from a document loading portion to a document shredding portion so as to shred the documents by the document shredding portion, in which the document loading portion is constituted by a plurality of document loading apertures such that a total quantity of the documents capable of being fed from the document loading apertures to the document shredding portion is so set as to be not more than a shredding capability of the document shredding portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.