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:
Feb. 25, 2003
Filed:
Dec. 15, 2000
Kanji Matsutani, Tochigi-ken, JP;
Hideyuki Murai, Tochigi-ken, JP;
Toshiyuki Takase, Tochigi-ken, JP;
Mani, Inc., Tochigi-ken, JP;
Abstract
A dental instrument for root canal therapy having a shaft portion and an operational portion extended from such shaft portion, wherein at least a region from the tip of the operational portion down to a predetermined distant position has a sectional form surrounded by an arc and a chord, and a length of a line segment along a vertical bisector of the chord sectioned between such chord and such arc equals to or longer than five-eighths of the diameter of a virtual circle composed by such arc was disclosed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile