Nova Patents
AT400405T

Method of making an abrasive article

Abstract

The invention relates to a or workpiece plates the surfaces (22) is wafers other end is equal complanations or polishing or beautified the processing processing of. The process is provided with a structure for grinding sand coating tool (140); the grinding sleeve (146) on the back shell fabric. On the grinding device is a monitoring part, and a window (148), which can allow the radiating to penetrate. The complanation, determines the processing end point through the yield of radiating. The grinding coating's of window can not with the grinding sleeve, or only a little comprise a grinding sleeve.

Term

Term ended

Expired 11 April 2021, 5.5 years ago.

  1. Priority
  2. Filed
  3. Granted
  4. Expired
  5. Today

27 members in 13 offices

This recordMember, by publication datePriority claim3 more offices are in the list below

Priority claims1

Priority claims
DocumentOfficeKindDate
72606400United States of AmericaA

Members27

Family members, oldest first
DocumentOfficeKind
CA2430377A1CanadaA1
WO0243925A1World Intellectual Property Organization (WIPO)A1
AU5338201AAustraliaA
US2002072296A1United States of AmericaA1
US2003022598A1United States of AmericaA1
US2003064663A1United States of AmericaA1
KR20030048484ARepublic of KoreaA
US6604985B2United States of AmericaB2
EP1337380A1European Patent Office (EPO)A1
TW564202BTaiwan Province of ChinaB
IL155856D0IsraelD0
CN1476368AChinaA
JP2004516947AJapanA
US6786810B2United States of AmericaB2
CN1238161CChinaC
EP1337380B1European Patent Office (EPO)B1
AT320881TAustriaT
ATE320881T1AustriaT1
EP1655103A1European Patent Office (EPO)A1
DE60118171D1GermanyD1
MY126929AMalaysiaA
DE60118171T2GermanyT2
KR100711160B1Republic of KoreaB1
EP1655103B1European Patent Office (EPO)B1
AT400405TThis recordAustriaT
ATE400405T1AustriaT1
DE60134797D1GermanyD1