Snorkel
US6827083B2 · kind B2 · utility
2Cited by
26References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 2003 |
| Grant date | Dec 7, 2004 |
| Priority date | — |
| Expiry date | Oct 16, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63C11/205
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Here is disclosed a snorkel comprising a mouthpiece section, an open end section, a tubular section being contiguous to the open end section and a connector section interposed between the mouthpiece section and the tubular section and provided with a check valve. First and second halves constituting the connector section are pressed against each other along respective peripheral edges of these halves and then covered with a belt-like section welded to the connector section from the outside.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.