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:
Sep. 16, 2014
Filed:
Sep. 22, 2010
Martin Goetzinger, Eching am Ammersee, DE;
Holger Hauptmann, Sindelsdorf, DE;
Gallus Schechner, Seefeld, DE;
Michael Jahns, Gilching, DE;
Martin Goetzinger, Eching am Ammersee, DE;
Holger Hauptmann, Sindelsdorf, DE;
Gallus Schechner, Seefeld, DE;
Michael Jahns, Gilching, DE;
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A system and method for making a layered dental appliance. The system can include a first mold comprising a negative of a first layer of a layered dental appliance, a second mold comprising a negative of a second layer, and a dental core dimensioned to be at least partially received in the first mold and the second mold. The method can include positioning a first slurry in the first mold, and pressing the dental core into the first slurry to form a first article comprising the dental core and a first layer formed from the first slurry. The method can further include removing the first article from the first mold, positioning a second slurry in the second mold, and pressing the first article into the second slurry to form a second article comprising the dental core, the first layer, and a second layer formed from the second slurry.