Pressure regulator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 4, 1992
Grant Date -
N/A
app pub date -
Mar 21, 1991
filing date -
Mar 21, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pressure regulator is described including an integral indicator which signals the near depletion of gas in a compressed gas cylinder to which the regulator is connected. The indicator remains extended as long as an adequate supply of gas remains in the cylinder. Upon the near depletion of the gas, the indicator withdraws into the regulator body to warn of the near depletion of gas.
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