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:
Oct. 27, 2020
Filed:
Dec. 21, 2015
Posco, Pohang-si, Gyeongsangbuk-do, KR;
Oh-Yeoul Kwon, Pohang-si, KR;
Won-Gul Lee, Pohang-si, KR;
Seong-Cheol Hong, Pohang-si, KR;
Gyoo-Taek Lee, Pohang-si, KR;
Jong-Tae Park, Pohang-si, KR;
Choong Soo Lim, Pohang-si, KR;
POSCO, Pohang-si, Gyeongsangbuk-do, KR;
Abstract
A grain-oriented electrical steel plate of an exemplary embodiment of the present invention has a groove formed on a surface, wherein a curvature radius RBb at a position where a depth of the groove is maximum is 0.2 μm to 100 μm, and a curvature radius RSb on the groove surface from the position where the depth of the groove is maximum to a quarter-way position of the depth D of the groove is 4 μm to 130 μm.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile