Aquarium hydro hi-rise and crossover bridge assembly

Details Aquarium hydro hi-rise and crossover bridge assembly Aquarium hydro hi-rise and crossover bridge assembly

1990-11-02

1991-11-26

Swiatek, Robert P.

Animal husbandry

Entomological culture device

Egg treatment, production, or storage

A01K 6300

Patent

active

050674390

ABSTRACT:
A system is provided which facilitates the filling and operation of a crossover bridge (30) for aquarium tanks (12, 40). A pump (58) is combined with a plurality of end sealing devices (56, 72) and a closeable aperture (38) in an intermediate vacuum portion (36) of the device to make the filling mode simplified and convenient.

REFERENCES:
patent: D84002 (1931-04-01), Smith
patent: 192595 (1877-07-01), Palen et al.
patent: 1576462 (1926-03-01), Polzin
patent: 1943417 (1932-09-01), Bringman
patent: 2059927 (1936-11-01), Beck
patent: 2512678 (1950-06-01), Rice
patent: 3903844 (1975-09-01), Greenia
patent: 3921583 (1975-11-01), De Shores
patent: 3991715 (1976-11-01), Gibson, Jr.
patent: 4044721 (1977-08-01), Foley et al.

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