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:
Dec. 15, 1987
Filed:
Mar. 23, 1987
Applicant:
Inventor:
Hiroyuki Katoh, Osaka, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219 / ; 174 / ;
Abstract
A microwave oven door includes a flange forming a choke cavity to prevent microwaves from leaking, the flange having first and second walls forming a door surface opposite to a heating chamber such that the first and the second walls accommodate an opening therebetween, a sealer plate secured on the second wall of the flange to view the interior of the microwave oven, the sealer plate and the first wall of the flange being disposed on a same plane, a door film disposed on a plane formed by the sealer plate and the first wall of the flange, and an opaque film formed on a portion of the door film corresponding to the opening of the flange.