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. 30, 1980
Filed:
Feb. 14, 1979
Ake L Larsson, Palos Verdes Estates, CA (US);
Gunther E Gronwold, Manhattan Beach, CA (US);
Derek A Corris, Venice, CA (US);
Mattel, Inc., Hawthorne, CA (US);
Abstract
A toy vehicle having a spring drive mechanism coupled through first and second unidirectional slip clutch members to the drive wheels thereof, the slip clutches including gear members for winding the spring through a first gear ratio while pushing the vehicle in the reverse direction on a surface, and for propelling the vehicle through a second gear ratio upon release of the vehicle, each of the actions utilizing only one of the slip clutch members.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile