Face mask having an air duct connectable to a goggle
US4653124A · kind A · utility
61Cited by
19References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1985 |
| Grant date | Mar 31, 1987 |
| Priority date | — |
| Expiry date | Jul 16, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/028
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A releasably attachable face mask that forms a contiguous channel with an attached goggle to improve goggle ventilation. An elongated pocket or duct formed between two surfaces on the face mask mates with the goggle ventilation system to form the contiguous channel.The channel forms a venturi to draw air out from the goggle interior to the atmosphere through the contiguous channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.