Aquarium

Details Aquarium Aquarium

2006-07-25

2006-07-25

Prince, Fred G. (Department: 1724)

Liquid purification or separation

Structural installation

Closed circulating system

C210S198100, C210S261000, C210S416200, C119S259000, C119S263000, C119S267000

Reexamination Certificate

active

07081198

ABSTRACT:
An aquarium includes a bottom tank which has a pump circulate water via a first pipe and a first drainage pipe provided on top of the bottom tank to maintain water level in the bottom tank in a predetermined level, a middle tank mounted on top of the bottom tank and having a filtering box, a collecting pipe, a receiving box, a lid to cover the inlet of the collecting pipe and a funnel in communication with the lid via a conduit and a top tank having a filtering plate mounted on top of the bottom to cover the through hole and having multiple apertures, a top board to cover the top tank, an illuminating device to illuminate the top tank and a feeding device mounted on top of the top board for distributing food to fish in the top tank.

REFERENCES:
patent: 3324829 (1967-06-01), Dosamantes De Jose et al.
patent: 3418973 (1968-12-01), Saito
patent: 3994807 (1976-11-01), Macklem
patent: 5006230 (1991-04-01), Votava et al.
patent: 5469810 (1995-11-01), Chiang
patent: 6352051 (2002-03-01), Wang
patent: 6659043 (2003-12-01), Huska
patent: 2006/0011529 (2006-01-01), Chang
patent: 9-271289 (1997-10-01), None
patent: 10-98978 (1998-04-01), None

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