Nova Patents
GB0914848D0

Roller cone drill bits with optimized bearing structures

Abstract

This record has no abstract on file.

Term

Term ended

Projected expiry passed 12 August 2025, 1.1 years ago.

  1. Priority
  2. Filed
  3. Published
  4. Projected expiry
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93 members in 10 offices

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DocumentOfficeKindDate
60195204United States of AmericaP
0516638United KingdomA

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ID28517AIndonesiaA
EP1112433A2European Patent Office (EPO)A2
ID28893AIndonesiaA
EP1116100A2European Patent Office (EPO)A2
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GB2460560AUnited KingdomA
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CN101614108BChinaB
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