Respiratory mouthpiece
US4030493A · kind A · utility
59Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 1976 |
| Grant date | Jun 21, 1977 |
| Priority date | — |
| Expiry date | Jun 18, 1996 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/0493
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A respiratory mouthpiece for a positive pressure breathing apparatus made as an integral flexible elastomer molding in an oval concave shape having a ridge along the inner periphery to provide a seal against the outer surfaces of the mouth when pressed against the face and an opening in the center of the mouthpiece defined by a tube to fit over a mouthpiece holder of a breathing apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.