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:
Dec. 04, 1990
Filed:
Jan. 24, 1989
Kayoko Kasuya, Kariya, JP;
Kazusato Kasuya, Kariya, JP;
Products Kasuya Inc., Aichi, JP;
Abstract
In a block inlaying puzzle, each of a plurality of blocks in a set has a plan configuration consisting of at least one basic shape. A puzzle board is provided with a block inlaying recess in which the set of blocks is inlaid. The block inlaying recess has a bottom surface and a peripheral wall surface surrounding a periphery of the bottom surface. The bottom surface has a configuration in which a plurality of the basic shapes are assembled together. A plurality of block guides arranged on the bottom surface of the block inlaying recess and/or marks applied to selected ones of the blocks impose as restrictions on inlaying of the set of blocks in the block inlaying recess.