Dual air passage snorkle
US6302102A · kind A · utility
Inventors
Key dates
| Filing date | May 3, 1999 |
| Grant date | Oct 16, 2001 |
| Priority date | — |
| Expiry date | May 3, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63C11/205
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A "dry" diving snorkel having an elongated body and separate air inlet and exhaust passages defined in the body. The snorkel body is of an arcuate configuration and the lower side of the body upper end faces downwardly during normal use. Air inlet and exhaust ports are defined in the snorkel body upper end lower side in side-by-side relationship, and a diaphragm valve is located within each port biased toward a normally closed condition. The mouthpiece at the body lower end includes a water drain valve, and a strap clamp is molded into the body configuration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.