Liquid purification or separation – Structural installation – Closed circulating system
Patent
1981-02-25
1983-07-12
Spitzer, Robert H.
Liquid purification or separation
Structural installation
Closed circulating system
2104162, 210445, 210453, E04H 320, B01D 3502
Patent
active
043929532
ABSTRACT:
A power driven cleaning device for an aquarium includes filter suspended in the aquarium tank and through which water is circulated by an impeller. A first filter pad is followed by a filter cartridge, each of which spans the flow path, and which are clamped in place by a removable cover, for service.
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Catalog pages picked up at trade show in Chicago in 1978, not otherwise identifiable.
Cornelius Douglas P.
Erickson Charles G.
Cornelius Products Inc.
Spitzer Robert H.
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