Breathing apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 22, 1983
Grant Date -
N/A
app pub date -
Dec 1, 1980
filing date -
Nov 30, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A breathing apparatus comprises a cylinder assembly supported by a harness through a mounting bracket. The bracket has a leg with an open-ended slot into which a grooved portion of the cylinder assembly is passed. The assembly is secured by screwing a pressure-reducing valve onto the shut-off valve of the cylinder assembly, in so doing a knurled ring on the pressure-reducing valve coming into position adjacent to an edge of the bracket to prevent subsequent withdrawal of the cylinder assembly from the slot.
First Claim
Family
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Cited Art Landscape
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