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. 30, 2014
Filed:
Dec. 04, 2012
Applicant:
Douglas Hunter Powell, Eldorado Hills, CA (US);
Inventor:
Douglas Hunter Powell, Eldorado Hills, CA (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 15/03 (2006.01); F16K 15/18 (2006.01);
U.S. Cl.
CPC ...
F16K 15/18 (2013.01);
Abstract
A backflow prevention device including an opening in the housing configured to provide a user with access to the upstream check valve and the downstream check valve. The backflow prevention device further includes a cover configured to cover the entirety of the opening. The cover includes a portion of a lateral surface of a right cylinder. The backflow prevention device additionally includes a seal configured to sealingly engage the cover and the housing along the perimeter of the cover.