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. 23, 1989
Filed:
Feb. 23, 1988
Applicant:
Inventor:
Hideaki Ueda, Iwata, JP;
Assignee:
Yamada Hatsudoki Kabushiki Kaisha, Iwata, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
60313 ;
Abstract
An exhaust gas control means for motorcycles or the like wherein an expansion chamber that contains an exhaust control valve is positioned beneath and to the rear of the engine. The individual exhaust pipes extend from the exhaust ports of the engine into the expansion chamber in proximity to the valve for improving the performance throughout the engine speed and load ranges.
Ueda, Hideaki. (1989). Exhaust gas control means for motorcycle and the like (U.S. Patent No. 4831823). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4831823
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile