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:
Jan. 03, 2017
Filed:
Jul. 26, 2011
Applicants:
Min Long, Guangdong, CN;
Guancheng Hou, Guangdong, CN;
Inventors:
Min Long, Guangdong, CN;
Guancheng Hou, Guangdong, CN;
Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24F 11/02 (2006.01); A62C 2/12 (2006.01); F24F 13/14 (2006.01); F24F 7/013 (2006.01); A62C 2/18 (2006.01); F24F 11/00 (2006.01);
U.S. Cl.
CPC ...
A62C 2/12 (2013.01); F24F 7/013 (2013.01); F24F 13/14 (2013.01); A62C 2/18 (2013.01); F24F 2011/0095 (2013.01);
Abstract
A fire damper for a ventilating fan includes a shutter and a frame provided with a flange. An opening is provided on the frame. The frame is further provided with a movable component for covering or uncovering the opening.