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:
Oct. 22, 1991
Filed:
May. 04, 1990
Applicant:
Inventor:
Andrew E Abramson, Excelsior, MN (US);
Assignee:
Research, Incorporated, Eden Prairie, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24H / ;
U.S. Cl.
CPC ...
392423 ; 219388 ; 219405 ; 219461 ; 392407 ; 392409 ; 392411 ; 392418 ; 392422 ; 392426 ; 392432 ;
Abstract
A radiant heating device including a pair of concave surfaces for directing radiant energy toward an object positioned through an access opening in a receiving space therebetween with these concave surfaces extending to either side of this opening.