Prefilter cover for bidirectional-airflow respirator cartridge
US9440775B2 · kind B2 · utility
9Cited by
20References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 2014 |
| Grant date | Sep 13, 2016 |
| Priority date | — |
| Expiry date | Apr 23, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D85/70
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A prefilter cover for a bidirectional-airflow respirator cartridge, the prefilter cover including front and rear clamshell portions that are flexibly connected by a flexible connecting member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.