Filter cartridge

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United States of America Patent

PATENT NO 4483769
SERIAL NO

06457760

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A filter cartridge for use with liquids or gases which includes a back structure having a plurality of channels formed in it and filtration granules contained within the channels. Each of the channels includes a plurality of holes to enable water to pass through the back structure. A filter element is secured to the front of the back structure to cover the channels. The provision of the channels enables a uniform distribution of filtration granules to be maintained throughout the filter cartridge.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
NATIONAL WESTMINSTER BANK PLC175 WATER STREET NEW YORK NY 10038

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sherman, Robert M Granada Hills, CA 2 94

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