Diving snorkel
US6119685A · kind A · utility
14Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 8, 1999 |
| Grant date | Sep 19, 2000 |
| Priority date | — |
| Expiry date | Feb 8, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63C11/205
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A snorkel which includes a main conduit having an upper opening as well as a lower opening and a branch conduit branched from the main conduit. The branch conduit is formed at its top with a mouthpiece and a proximal end of the branch pipe is introduced into the main conduit, then curved toward the upper opening, and thereby eliminates swimmer physical fatigue due to purge diving use of the snorkel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.