The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 27, 1984
Filed:
Apr. 15, 1982
Takao Matsumoto, Tokyo, JP;
Hajime Matsumoto, Chiba, JP;
Toybox Corporation, Tokyo, JP;
Abstract
An amusement device consisting of a manipulative puzzle having a plurality of hollow prism-shaped pieces rotatably connected by swivel joints. Each swivel joint comprises a base centrally formed in a wall of one prism and inserted through a hole located in a confronting wall of an adjacent prism. The base is secured by a screw passing through a washer fitting over the swivel joint base. In addition, a set of projections fit into corresponding depressions located on the respective confronting walls to hold the prisms in place until moved. An infinite number of configurations may be imparted to the puzzle by manipulating the prisms, however, it is preferred that the player manipulate an elongated rectangular shaft of interconnected prisms to attain a substantially spherical configuration.