Knockdown labyrinth framework

Amusement devices – Illusion or stage device – Maze or labyrinth

Reexamination Certificate

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Details

C052S238100

Reexamination Certificate

active

07137898

ABSTRACT:
A knockdown labyrinth framework made up of tubes interconnected to make a base unit which itself combines with three others by way of a connection hub to make up a master square. Each such master square is then connected to other master squares. Vertical tubes join the lower structure to an upper structure which has hanging rods from which is hung a partitioning canvas which traces the path to form the labyrinth. Each tube connects and locks in with the next tube by way of frictional interlock which does not require any tools so that it is easy to set up and knockdown afterward.

REFERENCES:
patent: 2976923 (1961-03-01), Hirashiki
patent: 5046720 (1991-09-01), Bolly
patent: 5219316 (1993-06-01), Huffman
patent: 5364311 (1994-11-01), Chou
patent: 5474501 (1995-12-01), Teng
patent: 6398659 (2002-06-01), Karg
patent: 6493995 (2002-12-01), McKenzie
patent: 6575462 (2003-06-01), Roy
patent: 6675538 (2004-01-01), Candio
patent: 6772567 (2004-08-01), Diffrient, Jr. et al.

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