Method for cutting and machining hard materials

Patent 6698415 Issued on March 2, 2004. Estimated Expiration Date:

March 6, 2021. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

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Inventors

Assignee

Smith International, Inc.

Application

No. 09/799903 filed on 03/06/2001

US Classes:

125/12, SAWING125/13.01Rotary

Examiners

Primary: Wilson, Lee D.

Attorney, Agent or Firm

Christie, Parker & Hale, LLP

International Classes

B23D 61/00 (20060101)
B23D 61/04 (20060101)

Abstract

Cutting tools and machining tools are provided having PCBN tips and/or coatings bonded to their cutting or machining surfaces for cutting or machining cement and/or mineral based hard building materials such as Hardiplank.RTM..