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. 08, 1977
Filed:
Jun. 01, 1976
Applicant:
Inventors:
Kenji Koshino, Toyota, JA;
Masayasu Itoh, Toyota, JA;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
B21D / ; B21D / ;
U.S. Cl.
CPC ...
1131 / ; 72348 ; 72379 ; 1131 / ;
Abstract
A vessel having a pattern-molded bottom formed by a process of molding a pattern on the part of a flat blank which is to become the bottom of a vessel, holding the rest of the blank in such a manner that the molded pattern may not be affected by subsequent working of the part of the blank other than the pattern-molded part, and then forming the side wall of the vessel by drawing the rest of the blank.
Koshino, Kenji. (1977). Vessel having a pattern-molded bottom, a manufacturing process therefor (U.S. Patent No. 4057022). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4057022
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile