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. 13, 2022
Filed:
Sep. 26, 2019
3m Innovative Properties Company, St. Paul, MN (US);
James D. Hansen, White Bear Lake, MN (US);
Joseph C. Dingeldein, Blaine, MN (US);
Gareth A. Hughes, St. Paul, MN (US);
Gopal B. Haregoppa, Woodbury, MN (US);
Bastian P. Kirchner, FĂĽrstenfeldbruck, DE;
Till Meurer, Bonn, DE;
Holger Hauptmann, Sindelsdorf, DE;
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
An additively manufactured dental crown with a wall having a bottom edge and an occlusal portion joined with the wall opposite the bottom edge. The wall and occlusal portion form an interior surface and an opposing exterior surface. By using additive manufacturing and materials for such, the dental crown can have thin walls with a thickness of less than 300 microns at the thinnest portion of it and can include fine printed features such as identifiers, internal ribs, slots, porous meshes, and retention elements.