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:
Mar. 23, 1982
Filed:
Mar. 07, 1980
Applicant:
Inventor:
Masaru Takashima, Komae, JP;
Assignee:
Aikoh Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; F27D / ;
U.S. Cl.
CPC ...
432250 ; 266280 ; 266286 ; 428 35 ; 428457 ; 428472 ; 428920 ;
Abstract
A heat-insulating construction comprising a sealed empty chamber in which the external lower surface consists of a reflective surface, and a refractory fiber layer connecting to the lower side of said chamber.