U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Tooth caps and artificial teeth and the method of forming same

Patent 5284442 Issued on February 8, 1994. Estimated Expiration Date: Icon_subject May 20, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Method of forming a porcelain crown
Patent #: 3934348
Issued on: 01/27/1976
Inventor: Janjic

Method of preparing ceramic-coated dental prosthetic constructions
Patent #: 4358271
Issued on: 11/09/1982
Inventor: Sperner ,   et al.

Preparation of an intermediate layer between a high-melting dental metal alloy and dental porcelain
Patent #: 4426404
Issued on: 01/17/1984
Inventor: Shoher ,   et al.

Method and compositions for bonding metals and ceramics with which to make prosthetic teeth
Patent #: 4556389
Issued on: 12/03/1985
Inventor: Ueno ,   et al.

Vacuum sintered powder alloy dental prosthetic device and oven to form same
Patent #: 4661071
Issued on: 04/28/1987
Inventor: Bell ,   et al.

Method of applying opaque dental cermic material to a metal structure
Patent #: 4806383
Issued on: 02/21/1989
Inventor: Poltz

Dental restoration and method for its production
Patent #: 4980124
Issued on: 12/25/1990
Inventor: Dimmer

Method of bonding metal to dentine
Patent #: 5049076
Issued on: 09/17/1991
Inventor: Ohno

Dental crown and method for making same Patent #: 5131847
Issued on: 07/21/1992
Inventor: Ijuin

Inventor

Application

No. 886025 filed on 05/20/1992

US Classes:

433/223Method of fabricating

Examiners

Primary: Mancene, Gene
Assistant: Lucchesi, Nicholas D.

Attorney, Agent or Firm

International Class

A61C 005/10

Abstract

Caps for teeth and artificial teeth such as used in bridges, and the like, formed by a method comprising a combination of steps in joining various materials to make the article, wherein the principal difference in the steps as compared to customary techniques is the elimination of a sandblasting operation on a metal base and utilization of a special adhesive to join the other materials to the metal base.

PatentsPlus Images
Enhanced PDF formats
loading...
PatentsPlus: add to cart
PatentsPlus: add to cartSearch-enhanced full patent PDF image
$9.95more info
PatentsPlus: add to cart
PatentsPlus: add to cartIntelligent turbocharged patent PDFs with marked up images
$18.95more info
 
Sign InRegister
Username  
Password   
forgot password?