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:
Jul. 24, 2007
Filed:
Sep. 03, 2003
Masashi Takahashi, Tokyo, JP;
Yataro Komiyama, Tokyo, JP;
Takao Okada, Ibaraki, JP;
Norio Kojima, Tokyo, JP;
Masashi Takahashi, Tokyo, JP;
Yataro Komiyama, Tokyo, JP;
Takao Okada, Ibaraki, JP;
Norio Kojima, Tokyo, JP;
GC Corporation, Tokyo, JP;
Abstract
A drill set for adjusting an implant hole for a self-tap dental screw implant fixture comprises with a diameter dat the point of a cutting blade equivalent to a diameter Dof the tip end of the fixture, a diameter dat the back end of the blade equivalent to the maximum root diameter of a first male screwor smaller, and a length lof the blade larger than the entire length Lof the fixture, and the second drillwith a diameter dat the point of a tapered tip end cutting bladeequivalent to the diameter D, and a diameter dat the back end of a tapered back end cutting bladeequivalent to the maximum root diameter of the first male screwand smaller than the maximum crest diameter thereof, both the bladesforming two-step taper shape.