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:
Jul. 23, 1991
Filed:
Jun. 08, 1990
Applicant:
Inventors:
Sylvester A Winterheimer, Center Township, Vanderburgh County, IN (US);
Kenneth L Hortin, Armstrong Township, Vanderburgh County, IN (US);
Harry L Tillman, Knight Township, Vanderburgh County, IN (US);
Assignee:
Whirlpool Corporation, Benton Harbor, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23P / ;
U.S. Cl.
CPC ...
29460 ; 295271 ; 29530 ; 312214 ;
Abstract
A typical plastic liner refrigerator includes an outer shell of sheet metal, an inner liner of plastic and polyurethane insulation foamed in place between the inner liner and the outer shell. In order to counter stresses which can cause large unsightly cracks to form in the liner, the liner is provided with stress control slots, slits or cuts at locations where they can be covered up, such as the mullion panel.