Valve
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 19, 1986
Grant Date -
N/A
app pub date -
Apr 5, 1983
filing date -
Apr 5, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A valve including indicating means for indicating overtravel of an operating member beyond its normally closed position for warning that replacement of a seal is necessary. A diaphragm valve has a diaphragm of a material which withstands repeated flexing and is clamped in a unique manner.
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