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. 11, 2001
Filed:
Jun. 30, 2000
Applicant:
Inventor:
Sumiya Hobo, Tokyo, JP;
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61C 1/910 ;
U.S. Cl.
CPC ...
A61C 1/910 ;
Abstract
A dental shade system that includes one or more triangular pillars on three faces of which many different color samples are arranged and by which the natural tooth color can be compared with the color samples with one or two actions and decided visually in terms of three coordinates in color space, in order of Value (lightness), Chroma (color saturation), and Hue (color).