Liquid purification or separation – Processes – Separating
Reexamination Certificate
2005-11-14
2008-09-16
Prince, Fred (Department: 1797)
Liquid purification or separation
Processes
Separating
C210S151000, C210S167250, C210S167270, C210S232000, C210S282000, C210S416200
Reexamination Certificate
active
07425274
ABSTRACT:
An aquarium filter which is constructed of a housing which includes a module. The module is divided into a plurality of different sections. A separate filter cartridge is to be mounted within each section. Each filter cartridge is to be removable and replaceable in conjunction with its specific section.
REFERENCES:
patent: 2087442 (1937-07-01), Nack
patent: 2100951 (1937-11-01), Glass et al.
patent: 2605901 (1952-08-01), Morrison et al.
patent: 3300047 (1967-01-01), Hirsch
patent: 3513978 (1970-05-01), Newsteder
patent: 3723304 (1973-03-01), Storck
patent: 4483769 (1984-11-01), Sherman
patent: 4512885 (1985-04-01), Willinger
patent: 4713173 (1987-12-01), Goldman et al.
patent: 4906381 (1990-03-01), Barbaro
patent: 5002660 (1991-03-01), Sherman et al.
patent: 5248415 (1993-09-01), Masuda et al.
patent: 5290436 (1994-03-01), Danner
patent: 5322622 (1994-06-01), Chiang
patent: 5423978 (1995-06-01), Snyder et al.
patent: 5618419 (1997-04-01), Fuerst et al.
patent: 5632887 (1997-05-01), Gargas et al.
patent: 6210567 (2001-04-01), Takada
patent: 6843909 (2005-01-01), Woltmann
patent: 7087158 (2006-08-01), Miyamoto et al.
patent: 7208084 (2007-04-01), Axelrod
patent: P2003-200183 (2003-07-01), None
Lipkin Sandy
Munro Jack
Prince Fred
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