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:
Jul. 21, 2020
Filed:
Oct. 10, 2018
Applicants:
Brian Porter, Fontana, WI (US);
David Navin, Fontana, WI (US);
Inventors:
Brian Porter, Fontana, WI (US);
David Navin, Fontana, WI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B63B 13/02 (2006.01); F16K 15/04 (2006.01);
U.S. Cl.
CPC ...
F16K 15/04 (2013.01); B63B 13/02 (2013.01);
Abstract
A check valve for a vessel having at least one port for a buoyancy chamber. The check valve having a valve body fitted to sealingly engage the port and a stopper retained within the valve body and be moveable from a closed position limiting water from entering the port to an open position permitting drainage of water from the port.