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:
Feb. 01, 1977
Filed:
Apr. 01, 1975
Tatsuo Oya, Himeji, JA;
Minoru Motoyoshi, Himeji, JA;
Masfumi Okamoto, Himeji, JA;
Kiyoshi Tanaka, Himeji, JA;
Takayasu Sugiyama, Himeji, JA;
Nippon Steel Corporation, Tokyo, JA;
Abstract
A steel slab containing silicon for use as an electrical steel sheet and strip and having no blister occurrence in the final product manufactured by continuous casting, characterized in that said slab comprises 2.5 - 4.0 wt.% of silicon, less than 0.04% of aluminium, less than 3 ppm of hydrogen or less than 3 ppm of hydrogen together with less than 80 ppm of oxygen, and less than [Al(%) .times. 10.sup.3 + 50] ppm of nitrogen, with the remainder being essentially iron.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile