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:
Apr. 13, 2010
Filed:
Jan. 26, 2006
Applicants:
James P. Stahl, Sr., Stockton, NJ (US);
James P. Stahl, Jr., Princeton Junction, NJ (US);
Inventors:
James P. Stahl, Sr., Stockton, NJ (US);
James P. Stahl, Jr., Princeton Junction, NJ (US);
Assignee:
Specified Technologies Inc., Somerville, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04C 2/52 (2006.01); E04C 2/00 (2006.01); E04B 1/94 (2006.01);
U.S. Cl.
CPC ...
Abstract
A firestopping device which is held between the flange of water closet flange assembly and the floor surrounding the opening containing the drain pipe which includes a securement section positioned therebetween for being held in place and an intumescent section extending radially inwardly therefrom to a position above the vertical drain pipe opening to facilitate intumescent expansion thereinto responsive to the exposure of heat.