Three-dimensional maze pet toy

Details Three-dimensional maze pet toy Three-dimensional maze pet toy

1989-09-21

1990-09-04

Hirsch, Paul J.

Animal husbandry

Bed or rest

272 19, 273153R, A01K 1500

Patent

active

049535021

ABSTRACT:
A three-dimensional changeable maze for small animals in box, knockdown, and modular form, which utilizes (a) interlocking and interchangeable grid elements, (b) interchangeable or rotatable planar surfaces, and (c) rotatable modules in modular form to vary the maze routes and adjust the level of complexity.

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patent: 4822047 (1989-04-01), Treer
patent: 4824098 (1989-04-01), Huang

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