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:
Apr. 29, 1986
Filed:
May. 21, 1984
Applicant:
Inventors:
Ralph B Sozio, Boston, MA (US);
Edwin J Riley, Milton, MA (US);
Assignee:
Coors Porcelain Company, Golden, CO (US);
Primary Examiner:
Int. Cl.
CPC ...
A61C / ; A61C / ; B29C / ;
U.S. Cl.
CPC ...
4332021 ; 264 19 ; 264221 ; 264314 ; 264317 ; 26432818 ; 264338 ; 264D / ; 4332121 ; 433218 ; 4332221 ; 433223 ;
Abstract
A tooth crown or the like fixed, custom fitted dental appliance made of a fired ceramic which undergoes substantially no shrinkage when fired, the appliance being made by forming a compact of the raw prefired ceramic with an undersurface shaped for a precise fit onto the prepared tooth on which the appliance is to be used, and thereafter firing the compact to a dense hard monolithic structure.