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. 08, 2004
Filed:
May. 03, 2003
Hiroyuki Matsukawa, Tokyo, JP;
Takara Co., Ltd., Tokyo, JP;
Abstract
A toy top includes a toy body having a main spring power device therein, the main spring power device being rotatively linked with a revolving shaft provided on a center of a bottom surface of the toy body. The main spring power device includes latch means for maintaining a winding-up position when a main spring is wound up and a button for releasing the latch means so as to release a revolving force of the main spring. The toy body is provided with a press mechanism for pressing the button according to a rise or a reduction in a centrifugal force during the revolution of the toy body.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile