Dual density filter cartridge

United States of America Patent

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Jun 13, 2006
Grant Date
Aug 19, 2004
app pub date
Feb 10, 2004
filing date
Nov 7, 2001

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Abstract

The invention relates to aquarium filters providing improved water filtration without accelerated clogging. The present invention also relates to methods of using such filters.

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Patent Owner(s)

Patent Owner	Address
UNITED PET GROUP INC	601 RAYOVAC DRIVE MADISON WI 53711

International Classification(s)

A01K:ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; ....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Fox, John Edward	Blacksburg, VA	4	55
Parker, Rodney Allen	Blacksburg, VA	3	55

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Dual density filter cartridge

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10776042

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PATENT NO	7060181
APP PUB NO	20040159598A1
SERIAL NO	10776042
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
June 13, 2006	US,7060181,B2 US7060181B2	GRANTED PATENT AS SECOND PUBLICATION
December 02, 2004	US,20040238426,A9 US20040238426A9	CORRECTED PATENT APPLICATION
August 19, 2004	US,20040159598,A1 US20040159598A1	FIRST PUBLISHED PATENT APPLICATION

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10776042

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