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:
Jan. 06, 1987
Filed:
Sep. 12, 1983
Applicant:
Inventor:
Henri Leonard, Besancon, FR;
Assignee:
Micro-Mega, Besancon, FR;
Primary Examiner:
Int. Cl.
CPC ...
A01C / ;
U.S. Cl.
CPC ...
433102 ;
Abstract
The invention relates to a dental drill. According to the invention, the drill has a triple helicoidal flute and progressive pitch, the free spaces between the cutting lips increasing from the tip (3) toward the shank (1) of the drill. Application: dental apparatus.