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:
Mar. 20, 2018
Filed:
Dec. 06, 2013
Applicant:
Ivoclar Vivadent Ag, Schaan, LI;
Inventors:
Konrad Hagenbuch, Haag, CH;
Marion Eder, Meran, IT;
Martin Bertagnolli, Naturns, IT;
Christian Frei, Naturns, IT;
Karl Lanbacher, Laas, IT;
Assignee:
Ivoclar Vivadent AG, Schaan, LI;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61C 13/08 (2006.01); A61C 13/093 (2006.01); A61C 5/70 (2017.01);
U.S. Cl.
CPC ...
A61C 13/081 (2013.01); A61C 13/1006 (2013.01); A61C 5/70 (2017.02);
Abstract
The invention relates to a tooth made of ceramics, a composite or plastic, which is produced in a mold, said tooth having a basal surface () that comprises a trough (). The especially elliptical or circular trough () is adapted to the basal surface () and has a trough edge () which extends at least partially in an angle of more than 45 degrees, in particular more than 60 degrees or 70 degrees, with respect to the adjacent basal surface ().