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:
May. 30, 1989
Filed:
Nov. 02, 1987
Applicant:
Inventors:
Hiroaki Sasaki, Tokyo, JP;
Minoru Toyoda, Tokyo, JP;
Jun Sada, Tokyo, JP;
Sueo Takahashi, Tokyo, JP;
Shigeru Suzuki, Tokyo, JP;
Assignees:
Toppan Printing Co., Ltd., , JP;
Nippon Suisan Kaisha, Ltd., , JP;
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219 / ; 219 / ; 99DI / ; 426107 ; 426243 ;
Abstract
The present application is directed to a package material for microwave cooking which is obtained by integrally laminating a microwave heating element, which generates heat when irradiated with microwave, to a base material to form a sheet; and providing, on the sheet, many slits in the form of broken lines, in parallel, and in alternation between the adjacent ones.