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. 28, 2002
Filed:
Sep. 28, 2000
Applicant:
Inventor:
George J. McHugh, Broomall, PA (US);
Assignee:
AGF Manufacturing, Inc., Malvern, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 2/100 ;
U.S. Cl.
CPC ...
G08B 2/100 ;
Abstract
A double check valve assembly having at least one three way valve with a pressure gauge in communication with the double check valve downstream of the second check valve. A flow detection arrangement with a battery powered alarm and automatic dialer and time delay circuit is included with a test and drain valve arrangement provided downstream of the second check valve.
McHugh, George. (2002). Double check valve assembly for fire suppression system (U.S. Patent No. 6396404). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6396404
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile