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:
Jul. 12, 1977
Filed:
Nov. 12, 1975
Applicant:
Inventors:
Sachio Maekawa, Aichi, JA;
Tadashi Aizawa, Nagoya, JA;
Assignee:
Hashimoto Denki Co., Ltd., , JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428155 ; 156257 ; 156227 ; 428181 ; 428537 ;
Abstract
A thin wood sheet is folded in a zig-zag manner to have substantially the same height and provided with cuts partially extending in the wood sheet at the folded outer end portions along the grain direction thereof. Before the wood sheet is folded in a zig-zag manner, the thin wood sheet is shaped in a wave form and partially cut at the top and bottom of the wave form along the grain direction.
Quick Actions:
Maekawa, Sachio. (1977). Core block for plywood and method and apparatus for forming same (U.S. Patent No. 4035538). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4035538
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile