Check valve with inspection means

United States of America Patent

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Jun 12, 1984
Grant Date
N/A
app pub date
Mar 15, 1982
filing date
Mar 15, 1982

priority date (Note)
Expired

status (Latency Note)

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Abstract

A check valve incorporating inspection valve means therein for disclosing the presence or absence of fluid on the 'upstream' side of the valve.

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Patent Owner(s)

Patent Owner	Address
SYMMONS INDUSTRIES INC BRAINTREE A MA CORP	Not Provided

International Classification(s)

F16K:VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Symmons, Paul C	Wellesley, MA	3	29

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United States of America Patent

06357997

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Patent Longevity Expired	Forward Citations

PATENT NO	4453569
SERIAL NO	06357997
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06357997

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