TREA

Eight blade drill bit

Follow

Information

  • Patent Grant
  • D404407
  • Patent Number
    D404,407
  • Date Filed
    Thursday, March 5, 1998
    26 years ago
  • Date Issued
    Tuesday, January 19, 1999
    26 years ago
  • US Classifications
    Field of Search
    • US
    • D15 139
    • 175 379
    • 175 385
    • 175 393
    • 175 418
    • 175 4201
    • 175 421
    • 175 427
    • 175 430-432
    • 299 29
  • International Classifications
    • 1509
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for an eight blade drill bit, as shown and described.
US Referenced Citations (11)
Number Name Date Kind
D340248 Brady Oct 1993
D351174 Brady Oct 1994
4373593 Phaal et al. Feb 1983
5007493 Coolidge et al. Apr 1991
5111895 Griffin May 1992
5159857 Jurewicz Nov 1992
5443565 Strange, Jr. Aug 1995
5549171 Mensa-Wilmot et al. Aug 1996
5551522 Keith et al. Sep 1996
5582261 Keith et al. Dec 1996
5651421 Newton et al. Jul 1997
Non-Patent Literature Citations (26)
Entry
Catalogue/Brochure pages: "DP6 PDC Drill Bit." Admitted prior art.
Catalogue/Brochure pages: "Diamond Drill Bits." Cristal Profor. Tarbes, France. Admitted prior art.
Catalogue/Brochure pages: "A Strong Line of Natural Diamond and PDC Bits." Smith Diamond. Admitted prior art.
Catalogue/Brochure pages: IADC S946, et al. Smith Diamond. Admitted prior art.
Catalogue/Brochure pages: "Cut Drilling Costs 40 Percent or More with a Strata Bit PDC Bit Tailored to the Formation." Strata Bit. Admitted prior art.
Catalogue/Brochure page: "The Fast Track to the Bottom Line," p. 8. Strata Bit. Admitted prior art.
Catalogue/Brochure pages: "Standard PDC Bits; Standard Ringcutter PDC Bits; Gold Series Bits." Admitted prior art.
Catalogue/Brochure page: "Hycalog Introduces the Hybrid-Fishtail." Hycalog. Admitted prior art.
Catalogue/Brochure page: "Longer Bit Life and Superior Downhole Performance." Hycalog. Admitted Prior Art.
Catalogue/Brochure pages: 6 3/4 in. DS42H, et al. Hycalog. Admitted prior art.
Catalogue/Brochure pages: "Nortrak Navigation Drilling Systems," pp. 4-5. Nortrak. Admitted prior art.
Catalogue/Brochure pages: "VIII. Diamond Drilling & Coring Bits," pp. 47-48. Eastman Christensen. Admitted prior art.
Catalogue/Brochure pages: "Technical Data." Eastman Christensen. Admitted prior art.
Catalogue/Brochure pages: Rock Digger 15, et al. Admitted prior art.
Catalogue/Brochure pages: "Diamond Products." Smith International, pp. 12-13. Admitted prior art.
Catalogue/Brochure page: "PD-7 Rotary and Motor Bit; PD-11 Rotary Bit; PD-11X2 Rotary Bit." Admitted prior art.
Catalogue/Brochure page: "Strata-Cut Drilling-Bits." Admitted prior art.
Catalogue/Brochure pages: "TD 2000 Series Drill Bits; TD Drill Bits; PD Steel Body Drill Bits." Diamont Boart Stratabit. Admitted prior art.
Catalogue/Brochure pages: "Diamond Compact Bits (R-Series)." Norton Christensen Drilling Products. Admitted prior art.
Catalogue/Brochure pages: "Bit Description" Admitted prior art.
Catalogue/Brochure page: "Put the Best on the Bottom." BiTech. Admitted prior art.
Catalogue/Brochure pages: 81/2 in Hornet 4, et al. Reed Tool Company. Admitted prior art.
Catalogue/Brochure pages: "Diamond Compact Bits (R-Series)," pp. 11-12. Eastman Christensen. Admitted prior art.
Catalogue/Brochure page: "Smith Diamond's New S-95: The Right Direction in Soft Formations." Smith International. Admitted prior art.
Catalogue/Brochure pages: "Drilling Bits." Petroleum Diamond Products. Admitted prior art.
Catalogue/Brochure page: "Diataq DS." Admitted prior art.