Signals and indicators – Indicators – Fluid flow
Reexamination Certificate
2011-01-18
2011-01-18
Gibson, Randy W (Department: 2841)
Signals and indicators
Indicators
Fluid flow
C073S037000
Reexamination Certificate
active
07870832
ABSTRACT:
A pressure indicating device includes a case including a gas passage, and a movable indicator carried by the case. The indicator has an end in fluid communication with the gas passage and an indicator end projectable out of a portion of the case when pressure in the gas passage is at least a predetermined minimum pressure. A spring may retract the indicator when pressure in the gas passage is below the predetermined minimum pressure.
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Dadco, Inc.
Gibson Randy W
Reising Ethington P.C.
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