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:
Dec. 10, 2019
Filed:
Mar. 01, 2016
Hutchinson Technology Incorporated, Hutchinson, MN (US);
Paul V. Pesavento, Hutchinson, MN (US);
Peter F. Ladwig, Hutchinson, MN (US);
Michael W. Davis, Rockford, MN (US);
John A. Theget, Hutchinson, MN (US);
Kurt C. Swanson, Chippewa Falls, WI (US);
Joel B. Michaletz, Litchfield, MN (US);
Philip W. Anderson, Dassel, MN (US);
Timothy A. McDaniel, Hutchinson, MN (US);
Hutchinson Technology Incorporated, Hutchinson, MN (US);
Abstract
A chemically etched cutting tool includes a metal base having a first side and a second side, and a chemically etched blade on at least one side of the metal base, the chemically etched blade forming a cutting edge at the intersection of the first side of the chemically etched blade and the second side of the chemically etched blade. The first side of the chemically etched blade includes one or more concave portions and one or more convex portions with at least one inflection point between the concave portions and one or more convex portions. The second side of the chemically etched blade includes one or more concave portions and one or more convex portions with at least one inflection point between the concave portions and one or more convex portions.