Mask coupling apparatus
US9826793B2 · kind B2 · utility
1Cited by
69References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2015 |
| Grant date | Nov 28, 2017 |
| Priority date | — |
| Expiry date | Apr 20, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA42B3/04
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A mask coupling apparatus coupled to an outer surface of a helmet and couplings of a mask including an adjusting mechanism comprising a single elastic strap coupled to the mask at both ends via the couplings, where the ends of the elastic strap are free to adjust the length of the mask coupling apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.