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:
Sep. 18, 1990
Filed:
Dec. 02, 1988
Applicant:
Inventor:
Manabu Nakayama, Hamamatsu, JP;
Assignee:
Sanshin Kogyo Kabushiki Kaisha, Hamamatsuo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B63H / ;
U.S. Cl.
CPC ...
440 89 ; 204147 ;
Abstract
A marine outboard drive including an exhaust system that includes a baffle plate which is disposed across the low speed exhaust gas opening and which defines a plurality of ribs to break up the exhaust gas bubbles during idling for silencing. The baffle plate is formed as a sacrificial anode so as to offer galvanic protection and to permit ease of replacement.
Nakayama, Manabu. (1990). Idling noise silencer for marine propulsion unit (U.S. Patent No. 4957461). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4957461
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile