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:
Jun. 07, 2022
Filed:
Nov. 26, 2019
Applicant:
Captive-aire Systems, Inc., Raleigh, NC (US);
Inventors:
Joshua J. Hess, Washington Boro, PA (US);
Nicholas I. Perry, Warrington, PA (US);
William Brian Griffin, Columbia, PA (US);
Assignee:
Captive-Aire Systems, Inc., Raleigh, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24F 11/00 (2018.01); F24F 7/02 (2006.01); F24F 140/00 (2018.01);
U.S. Cl.
CPC ...
F24F 11/0001 (2013.01); F24F 7/02 (2013.01); F24F 2140/00 (2018.01);
Abstract
A rooftop exhaust fan incorporates a mechanical motor lockout that prevents a fan motor from being energized when the exhaust fan assumes an open position for cleaning, maintenance or inspection.