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. 27, 1982
Filed:
Oct. 24, 1980
Applicant:
Inventors:
John A LaBoda, Fairview Park, OH (US);
Paul R Fortlage, Sharon Center, OH (US);
Assignee:
MTD Products Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24F / ;
U.S. Cl.
CPC ...
98 87 ; 98 3 / ; 98 39 ;
Abstract
A device for transferring air from the upper region of a room through an open doorway to the exterior of that room, such as to an adjacent room. The device includes an open-ended casing or conduit (15) mounted upright to a wall of the room just above a doorway (12), an electric fan (21) mounted in the casing or conduit (15) to draw air downwardly into and through the casing or conduit (15), and a hinged chute (16) positioned at the bottom of the casing or conduit (15) which, when declined downwardly, deflects such downwardly moving air out through the open doorway (12) to the exterior of the room.