Aquarium filter apparatus

Details Aquarium filter apparatus Aquarium filter apparatus

1990-09-07

1992-02-11

Silverman, Stanley S.

Liquid purification or separation

Structural installation

Closed circulating system

2104162, 210266, 210284, 210282, 119 5, A01K 6304

Patent

active

050873571

ABSTRACT:
An apparatus is set forth permitting unitary replacement of the filtration components contained therewithin, wherein an elongate cylindrical housing includes a lowermost filtration polymeric fibrous member underlying a coaxially aligned replenishable mesh bag containing ammonia activated charcoal therewithin. Upper and lower end caps are replaceably mounted relative to a central coaxially aligned body to permit replacement of the components therewithin. A modification of the invention includes additional components of sand and gravel replacement bags at upper and lower ends positioned respectively within the body to permit tailoring of a filtration in response to aquarium needs.

REFERENCES:
patent: 2674574 (1954-04-01), Pettas
patent: 2676921 (1954-04-01), Vansteenkiste
patent: 3151069 (1964-09-01), Halpert
patent: 3292792 (1966-12-01), Falkenberg et al.
patent: 3313421 (1967-04-01), Falkenberg et al.
patent: 3371789 (1968-03-01), Hense et al.
patent: 4802980 (1989-02-01), Gilkey et al.
patent: 4820410 (1989-04-01), Cavalcante

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