Tank cover III

Details Tank cover III Tank cover III

1989-08-14

1991-04-23

Hirsch, Paul J.

Animal husbandry

Entomological culture device

Egg treatment, production, or storage

119 15, A01K 6302, A01K 103

Patent

active

050091905

ABSTRACT:
A cover formed of two telescoping tray-like sections each having a screen surrounded by a unitary frame, to which depending skirts along three of its sided are applied. The tray-like sections are identical with one of the trays being narrower in the transverse direction and have cooperating means for securing the trays together in a selected one of at least two predetermined telescoping positions.

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patent: 4313048 (1982-01-01), Holbrook
patent: 4763607 (1988-08-01), Tominaga

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