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:
Jun. 16, 1981
Filed:
Apr. 02, 1980
Shozo Ishiyama, Tokyo, JP;
Gakken Co., Ltd., Tokyo, JP;
Abstract
A clock for educational purposes comprising a minute hand and an hour hand, both rotatably mounted at the center of the clockface, openings formed in the clockface at locations where the hours and minutes are indicated, and rotating members rotatably supported in the clock and each marked on its face with an hour indicating figure and a minute indicating figure. The surface of each rotating member is partially exposed through respective ones of the openings, and an arm is provided to rotate with the minute hand so as to individually turn the rotating members.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile