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. 23, 2024
Filed:
Jan. 22, 2021
Applicant:
Reliance Worldwide Corporation, Atlanta, GA (US);
Inventors:
Assignee:
RELIANCE WORLDWIDE CORPORATION, Atlanta, GA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 5/04 (2006.01); A62C 2/06 (2006.01); F16L 5/10 (2006.01);
U.S. Cl.
CPC ...
F16L 5/04 (2013.01); A62C 2/065 (2013.01); F16L 5/10 (2013.01);
Abstract
A concrete floor has a pipe passing through a hole in the floor. A drop-in fire stop assembly has a clam-shell configuration having first and second portions of a fire ring, split cage, split retainer ring, split intumescent ring, split inner smoke ring and split outer smoke ring each fastened together to rotate about a hinge on the split cage to open and close. The first and second portions have free ends that spread apart to fit around the tube in an open position, and close around the tube in a closed position. A latch on the free ends of the cage hold the two portions together in the closed position.