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. 18, 1976
Filed:
Oct. 05, 1973
Applicant:
Inventor:
Kazuto Yamasaki, Sakai, JA;
Assignee:
Maeda Industries, Ltd., Sakai, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
7424 / ; 74229 ;
Abstract
A bicycle sprocket wheel comprising a multi-speed free wheel assembly containing teeth thereof are set right and left alternatively for ensuring easier engagement with a running chain during gear change operation.
Quick Actions:
Yamasaki, Kazuto. (1976). Bicycle sprocket wheel (U.S. Patent No. 3956943). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3956943
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile