Breathing tube

Details Breathing tube Breathing tube

1982-11-12

1986-01-07

Recla, Henry J.

Surgery

Respiratory method or device

Draw-type snorkel

A62B 700

Patent

active

045628360

ABSTRACT:
A breathing tube for underwater activities comprising an elongated tube having a free end and an opposite mouth-receiving end which is attached to the tube to a users underwater mask. The tube is attached to the mask by a tubular sleeve in free slideable engagement with the tube for relative sliding displacement. The sleeve is connected to the mask. The tube is also provided with a stop for preventing disengagement between the sleeve and the tube.

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patent: 38505 (1863-06-01), Scholfield
patent: 690663 (1902-01-01), Pratt
patent: 1122219 (1914-12-01), Read
patent: 1210939 (1917-01-01), Hilgers
patent: 1445010 (1923-02-01), Feinberg
patent: 1539733 (1925-05-01), Haskell
patent: 2317236 (1943-04-01), Wilen et al.
patent: 2753865 (1956-07-01), Van Der Kogel
patent: 2888010 (1959-05-01), Girden
patent: 3603306 (1971-09-01), Bonin
patent: 3814090 (1974-06-01), Hill
patent: 4061140 (1977-12-01), Saito
patent: 4066077 (1978-01-01), Shamlian
patent: 4380232 (1983-04-01), Doyle

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