Aquarium structure

Details Aquarium structure Aquarium structure

1979-03-16

1981-11-17

Mancene, Gene

Animal husbandry

Entomological culture device

Egg treatment, production, or storage

47 69, A01K 6400

Patent

active

043004784

ABSTRACT:
The aquarium is formed such that the upper extremity of the structure is positioned above its access opening. The access opening is configured such that air may not enter the upper extremity of the aquarium directly and, consequently, atmospheric pressure acting upon the liquid through the access opening maintains the liquid in the aquarium top.

REFERENCES:
patent: 192595 (1877-07-01), Palen et al.
patent: 917863 (1909-04-01), Hartwick
patent: 1314033 (1919-08-01), Willems
patent: 1943417 (1934-01-01), Bringman
patent: 2519166 (1950-08-01), White
patent: 2529627 (1950-11-01), Oldfield

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