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. 06, 2004
Filed:
Sep. 18, 2001
Applicant:
Inventors:
David S. Pliner, Huntingdon Valley, PA (US);
Manzoor Chaudhry, Bensalem, PA (US);
Stephen T. Norvilas, Doylestown, PA (US);
Elmer H. Foster, Mount Laurel, NJ (US);
Robert D. Bussiere, Frankfort, IL (US);
Assignee:
Allied Tube & Conduit Company, Harvey, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62C 2/00 ;
U.S. Cl.
CPC ...
A62C 2/00 ;
Abstract
A fire protection water sprinkler system, comprising at least one metal tube to carry water within the system, the metal tube having a coating on its interior surface comprising a quaternary ammonium salt in combination with a filming amine(s) and/or a synthetic oil.