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:
Sep. 28, 1976
Filed:
Dec. 06, 1973
Applicant:
Inventors:
Assignee:
Nissan Motor Co., Ltd., Yokahama, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B31F / ; B32B / ; C04B / ; F28D / ;
U.S. Cl.
CPC ...
156 89 ; 156205 ; 428116 ; 428178 ; 428184 ; 2328 / ; 165 10 ; 165166 ;
Abstract
A plurality of corrugated sheets are fixedly superimposed one on another so that the axes of the corrugations of one sheet are not parallel to those at adjacent sheets.