Center tube

Details Center tube Center tube

2005-08-09

2005-08-09

Savage, Matthew O. (Department: 1724)

Liquid purification or separation

Filter

With central pervious tubular receiver

C210S440000, C210S454000

Reexamination Certificate

active

06926156

ABSTRACT:
A filter assembly includes a filter cap having a filter chamber defined therein. The filter cap includes a side wall having an opening defined therein. A fluid filter is positioned in the filter chamber. A spring-loaded detent button is movably secured to the filter cap and extends into the filter chamber. When the detent button is depressed by a user, the end of the detent button positioned in the filter chamber contacts the fluid filter thereby releasing the fluid filter from the filter cap. An associated method for replacing a fluid filter is also disclosed.

REFERENCES:
patent: 3400821 (1968-09-01), Singleton
patent: 4497706 (1985-02-01), Pickett et al.
patent: 4764275 (1988-08-01), Robichaud
patent: 4820409 (1989-04-01), Lowsky et al.
patent: 5215658 (1993-06-01), Luby
patent: 5637215 (1997-06-01), Albers, Jr.
patent: 5772881 (1998-06-01), Stockhowe et al.
patent: 5783076 (1998-07-01), Albers, Jr.
patent: 6627078 (2003-09-01), Wagner et al.
patent: 2002/0114660 (2002-08-01), Burton
patent: 982524 (1951-06-01), None
patent: 197709 (1977-09-01), None

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