Nova Patents
ATE451069T1

Endodontic instrument having reversed helix

Abstract

An endodontic instrument is described that has includes a shaft that includes an end, a tip, one or more flutes, and a longitudinal axis. At least one flute includes a cutting edge configured to cut when the shaft is rotated in a first direction of rotation about the longitudinal axis. The at least one flute does not spiral around the shaft in the first direction of rotation.

Term

Term ended

Projected expiry passed 3 May 2024, 2.4 years ago.

  1. Priority
  2. Filed
  3. Published
  4. Projected expiry
  5. Today

48 members in 7 offices

This recordMember, by publication datePriority claim

Priority claims4

Priority claims
DocumentOfficeKindDate
46747203United States of AmericaP
47768803United States of AmericaP
76433704United States of AmericaA
2004013837United States of AmericaW

Members48

Family members, oldest first
DocumentOfficeKind
US2004219484A1United States of AmericaA1
US2004219485A1United States of AmericaA1
WO2004098434A2World Intellectual Property Organization (WIPO)A2
WO2004098438A1World Intellectual Property Organization (WIPO)A1
WO2004098434A3World Intellectual Property Organization (WIPO)A3
US6942484B2United States of AmericaB2
EP1624824A2European Patent Office (EPO)A2
EP1624825A1European Patent Office (EPO)A1
US7094056B2United States of AmericaB2
US2006216668A1United States of AmericaA1
EP1709934A1European Patent Office (EPO)A1
US2006228669A1United States of AmericaA1
US2007059663A1United States of AmericaA1
HK1096837AHong Kong, ChinaA
HK1096837A1Hong Kong, ChinaA1
EP1624824A4European Patent Office (EPO)A4
EP1624825A4European Patent Office (EPO)A4
EP1624825B1European Patent Office (EPO)B1
AT451069TAustriaT
ATE451069T1This recordAustriaT1
DE602004024520D1GermanyD1
EP1709934B1European Patent Office (EPO)B1
AT503433TAustriaT
ATE503433T1AustriaT1
DE602006020949D1GermanyD1
US7955078B2United States of AmericaB2
ES2363981T3SpainT3
US2011217673A1United States of AmericaA1
US8454361B2United States of AmericaB2
US8496476B2United States of AmericaB2
US2013273497A1United States of AmericaA1
US2013302749A1United States of AmericaA1
US8882504B2United States of AmericaB2
US8932056B2United States of AmericaB2
US2015072307A1United States of AmericaA1
US2015173853A1United States of AmericaA1
USD750246SUnited States of AmericaS
US9351803B2United States of AmericaB2
US2016278880A1United States of AmericaA1
US9662181B2United States of AmericaB2
USD803399SUnited States of AmericaS
US2018028280A1United States of AmericaA1
US10568715B2United States of AmericaB2
US2020261184A1United States of AmericaA1
US11478331B2United States of AmericaB2
US2023051887A1United States of AmericaA1
US11607290B2United States of AmericaB2
US2023225827A1United States of AmericaA1