Backpack for filter bag used in combination with a pneumatic sander
US8740027B2 · kind B2 · utility
4Cited by
16References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 2010 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Jun 18, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45F2003/003
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A backpack for use in combination with a filter bag and a pneumatic sanding tool is described. The backpack comprises a backpack strap, a back panel, and an opening or a first mesh panel located in the back panel. The opening or the first mesh panel is positioned to direct exhaust air from the filter bag onto a person's back during use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.