Vacuum relief
US8905538B2 · kind B2 · utility
0Cited by
1References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2013 |
| Grant date | Dec 9, 2014 |
| Priority date | — |
| Expiry date | Feb 26, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J11/0085
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A surface has a vacuum and a vacuum relief.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.