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:
Nov. 13, 1990
Filed:
Sep. 30, 1988
Applicant:
Inventors:
Kenji Hiranuma, Nagoya, JP;
Hiroshi Mori, Chita, JP;
Akira Hasegawa, Inuyama, JP;
Ikuo Ikeda, Nagoya, JP;
Assignee:
G-C Toshi Kogyo Corporation, Kasugai, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61C / ;
U.S. Cl.
CPC ...
4332021 ; 4332121 ;
Abstract
An artificial tooth has a basal plane in which an areal ratio of a labial or buccal subplane to a lingual subplane is in a range of 10:1 to 1:10, and an angle that both subplanes make with a dental axis, i.e., an angle of retention, assumes a concave shape and is in a range equal to or larger than 45.degree. to less than 180.degree.. A retaining hole can be provided in the basal plane of the artificial tooth so as to further improve its performance.