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:
Nov. 14, 1989
Filed:
Mar. 24, 1989
Applicant:
Inventors:
Kazumi Hirai, Nabari, JP;
Mitsuo Akiyoshi, Nara, JP;
Yoshio Mitsumoto, Kashihara, JP;
Ichiroh Hori, Yamatokoriyama, JP;
Assignee:
Matsushita Electrical Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219 / ; 219 / ; 219407 ; 1262 / ;
Abstract
This invention relates to a heat cooking apparatus having a flat heater firmly attached to an outside surface of the wall surface of the heating chamber the flat surface being composed of flatly configured heating elements with a heat-proof insulator therebetween. Also, by forming a non-metallic layer on the inner surface of the metallic wall surface facing the heating elements, heat from the heater is efficiently and uniformly conducted so as to perform uniform heating and high heat-cooking efficiency.