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. 21, 1990
Filed:
Oct. 19, 1988
Applicant:
Inventor:
Louis B Mueller, Richfield, WI (US);
Assignee:
Rytec Corporation, Jackson, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ; F25D / ;
U.S. Cl.
CPC ...
219218 ; 219213 ; 62248 ;
Abstract
A frost control system for a freezer door which has a header disposed along the top of a doorway for supporting a downwardly depending curtain configured for movement between a closed, extended position and an open, retracted position. Heating elements are secured to the header to inhibit frost formation on the header. In an alternate embodiment, a heat lamp is disposed on the 'warm' side of the curtain proximate the doorway for directing radiant heat at the curtain to thereby inhibit the formation of frost thereon.