Rotary cone drill bit

- Dresser Industries, Inc.
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Description

FIG. 1 is a perspective view of the a rotary cone drill bit showing our new design;

FIG. 2 is a first side elevational view thereof;

FIG. 3 is a second side elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Referenced Cited
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Other references
  • International Search Report, International Application No. PCT/US95/10115, dated Jan. 4, 1996. U.S. Patent Application No. 08/422140, filed Apr. 13, 1995, entitled Rotary Drill Bit for Manufacture and Rebuild. U.S. Patent Application No. 08/478455, filed Jun. 6, 1995, entitled Rotary Cone Drill Bit Modular Arm. Security/Dresser "Security Oilfield Catalog" Rock Bits, Diamond Products, Drilling Tools, Security Means Technology, Nov., 1991-Nov., 1992. "State of the Science in Rock Bit Techn." by Carlos Fernandez, SPACEBIT, Aug. 8, 1991. U.S. Patent Application Serial No. 08/287,441, filed Aug. 8, 1994 and entitled Rotary Cone Drill Bit With Improved Support Arms (060220.0171). U.S. Patent Application Serial No. 08/287,390, filed Aug. 8, 1994 and entitled Rotary Cone Drill Bit and Method for Manufacture and Rebuild (060220.0172). U.S. Patent Application Serial No. 08/351,019 filed filed Dec. 7, 1994 and entitled Rotary Cone Drill Bit and Method for Enhanced Lifting of Fluids and Cuttings (060220.0178). U.S. Patent Application Serial No. 08/350,910 filed Dec. 7, 1994 and entitled Rotary Cone Drill Bit With Angled Ramps (060220.0179). U.S. Design Patent Serial 29/033,630 filed Jan. 17, 1995 and entitled Support Arm and Rotary Cone for Modular Drill Bit (060220.0174). U.S. Patent Application Serial No. 29/033,599 filed Jan. 17, 1995 and entitled Rotary Drill Bit Design (060220.0173).
Patent History
Patent number: D384084
Type: Grant
Filed: Sep 12, 1995
Date of Patent: Sep 23, 1997
Assignee: Dresser Industries, Inc. (Dallas, TX)
Inventors: Alan Dee Huffstutler (Grand Prairie, TX), Harry Morales Campos, Jr. (Grand Prairie, TX)
Primary Examiner: Antoine Duval Davis
Law Firm: Baker & Botts, L.L.P.
Application Number: 0/43,782
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)
International Classification: 1509;