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:
Aug. 22, 2000
Filed:
Feb. 13, 1999
Applicant:
Inventor:
George R Smith, Lilliston, MT (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24F / ;
U.S. Cl.
CPC ...
454190 ; 454191 ; 454192 ;
Abstract
An improved, low-cost conditioned air vestibule for use on a doorway of a refrigerated storage room permits unobstructed passage of vehicles while effectively reducing the exchange of air through the doorway and substantially eliminating precipitation both inside and outside the doorway.