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:
Apr. 21, 1981
Filed:
Dec. 10, 1979
Fukuji Hachimura, Tokyo, JP;
Gakken Co., Ltd., Tokyo, JP;
Abstract
A study device for teaching children or other users predetermined study items, such as letters of the alphabet, in response to depressing desired ones of a plurality of push-plate operating portions. The study device includes a casing having a plurality of study elements provided in horizontal rows and vertical columns. Each study element includes an indication plate having an indication surface formed on the upper surface thereof, and a push-plate disposed below the indication plate, the push-plate including a resiliently supported operating portion. When the operating portion of a particular push-plate is depressed by the child, the indication plate will rotate to stand upright. One resilient member resiliently supports a plurality of the operating portions of the push-plates.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile