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:
Nov. 01, 1983
Filed:
Nov. 19, 1981
Applicant:
Inventors:
John D Osher, Cincinnati, OH (US);
Tom Rattray, Cincinnati, OH (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24F / ;
U.S. Cl.
CPC ...
98 3 / ; 98 39 ; 98 87 ; 2482251 ; 248343 ;
Abstract
Apparatus and method for changing the temperature of a room by moving warm air into or out of a room, and for effecting its distribution. A fan is removably and reversibly mountable on a bracket located on the upper portion of a doorframe in a manner which will not interfere with the normal operation of the doorway, and circulates air from one room into an adjacent room or hallway to effect a more even, efficient heating or cooling of living and work areas.