Snorkel with mask strap retaining device

Details Snorkel with mask strap retaining device Snorkel with mask strap retaining device

2006-07-26

2009-12-22

Douglas, Steven O (Department: 3771)

Surgery

Respiratory method or device

Draw-type snorkel

C128S201270

Reexamination Certificate

active

07634997

ABSTRACT:
A snorkel comprising a breathing tube and a retaining device formed on the breathing tube. The retaining device includes an elongated fastening strap having a bottom end formed integrally with the breathing tube, and a top end formed with a large first hole and a small second hole being in communication with the first hole; and a button formed integrally with the breathing tube and disposed in a position about flush with the top end of the fastening strap. The button is adapted to secure to the fastening strap by passing through the first hole and locking in the second hole in response to passing a mask strap through a gap between the fastening strap and the breathing tube.

REFERENCES:
patent: 1309150 (1919-07-01), Monfort
patent: 1363709 (1920-12-01), Bernier
patent: 3051170 (1962-08-01), Benzel
patent: 3233801 (1966-02-01), Schulenberg
patent: 4907582 (1990-03-01), Meyerrose
patent: 5020191 (1991-06-01), Uke
patent: 6363929 (2002-04-01), Winefordner et al.
patent: 2006/0272635 (2006-12-01), Shiue

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