Locking drain valve

United States of America Patent

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Apr 23, 1985
Grant Date
N/A
app pub date
May 6, 1983
filing date
May 6, 1983

priority date (Note)
Expired

status (Latency Note)

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Abstract

A finger operated drain valve for crankcases, radiators and bilge drains having a slide gate held in the closed position by a locking spring.

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First Claim

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Patent Owner(s)

CHARTWELL CORPORATION

International Classification(s)

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

[Classification Symbol]

[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Balch, Duane C	Napa, CA	7	82

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Locking drain valve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

06492450

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PATENT NO	4512547
SERIAL NO	06492450
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06492450

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Abstract

First Claim

Family

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