Diving snorkel
US5280785A · kind A · utility
22Cited by
9References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 20, 1993 |
| Grant date | Jan 25, 1994 |
| Priority date | — |
| Expiry date | Apr 20, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63C11/205
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A diving snorkel having a ventilating portion comprising an assembly of a first pipe portion and a second pipe portion extending in parallel to and communicating with each other, and a main pipe of which the upper end is connected to the first pipe portion, wherein the second pipe portion is provided at its upper end with an air inlet and at its lower end provided with means to prevent the undesirable flow of water into the main pipe 2 through the air inlet as a diver is in the water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.