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:
May. 26, 1987
Filed:
Nov. 04, 1985
Applicant:
Inventor:
Shozo Ishiyama, Tokyo, JP;
Assignee:
Kabushiki Kaisha Gakushu Kenkyusha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A63F / ; A63H / ;
U.S. Cl.
CPC ...
2731 / ; 446 85 ;
Abstract
A block toy including a hexahedral block body having openings of preselected shapes formed in selected surfaces thereof and a block insert having a color contrasting with the color of the block body and being insertable in the block body such that the contrasting color is visible through the openings in the surfaces of the block body.
Quick Actions:
Ishiyama, Shozo. (1987). Children's block toy (U.S. Patent No. 4667962). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4667962
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile