Staple removing method
US4090690A · kind A · utility
2Cited by
1References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 1977 |
| Grant date | May 23, 1978 |
| Priority date | — |
| Expiry date | Jan 21, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25C11/00
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method for removing staples by effecting displacement thereof through documents to effect separation of the staple from the documents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.