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Publication numberUSD384084 S
Publication typeGrant
Application numberUS 29/043,782
Publication dateSep 23, 1997
Filing dateSep 12, 1995
Publication number043782, 29043782, US D384084 S, US D384084S, US-S-D384084, USD384084 S, USD384084S
InventorsAlan Dee Huffstutler, Harry Morales Campos, Jr.
Original AssigneeDresser Industries, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Rotary cone drill bit
US D384084 S
Abstract  available in
Images(3)
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Claims(1)
  1. The ornamental design for a rotary cone drill bit, as shown.
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.

Non-Patent Citations
Reference
1"State of the Science in Rock Bit Techn." by Carlos Fernandez, SPACEBIT, Aug. 8, 1991.
2International Search Report, International Application No. PCT/US95/10115, dated Jan. 4, 1996.
3Security/Dresser "Security Oilfield Catalog" Rock Bits, Diamond Products, Drilling Tools, Security Means Technology, Nov., 1991-Nov., 1992.
4U.S. Design Patent Serial 29/033,630 filed Jan. 17, 1995 and entitled Support Arm and Rotary Cone for Modular Drill Bit (060220.0174).
5U.S. Patent Application No. 08/422140, filed Apr. 13, 1995, entitled Rotary Drill Bit for Manufacture and Rebuild.
6U.S. Patent Application No. 08/478455, filed Jun. 6, 1995, entitled Rotary Cone Drill Bit Modular Arm.
7U.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).
8U.S. Patent Application Serial No. 08/287,441, filed Aug. 8, 1994 and entitled Rotary Cone Drill Bit With Improved Support Arms (060220.0171).
9U.S. Patent Application Serial No. 08/350,910 filed Dec. 7, 1994 and entitled Rotary Cone Drill Bit With Angled Ramps (060220.0179).
10U.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).
11U.S. Patent Application Serial No. 29/033,599 filed Jan. 17, 1995 and entitled Rotary Drill Bit Design (060220.0173).
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7819208Jul 25, 2008Oct 26, 2010Baker Hughes IncorporatedDynamically stable hybrid drill bit
US7841426Apr 5, 2007Nov 30, 2010Baker Hughes IncorporatedHybrid drill bit with fixed cutters as the sole cutting elements in the axial center of the drill bit
US7845435Apr 2, 2008Dec 7, 2010Baker Hughes IncorporatedHybrid drill bit and method of drilling
US8047307Dec 19, 2008Nov 1, 2011Baker Hughes IncorporatedHybrid drill bit with secondary backup cutters positioned with high side rake angles
US8056651Apr 28, 2009Nov 15, 2011Baker Hughes IncorporatedAdaptive control concept for hybrid PDC/roller cone bits
US8141664Mar 3, 2009Mar 27, 2012Baker Hughes IncorporatedHybrid drill bit with high bearing pin angles
US8450637Oct 23, 2008May 28, 2013Baker Hughes IncorporatedApparatus for automated application of hardfacing material to drill bits
US8471182Dec 31, 2009Jun 25, 2013Baker Hughes IncorporatedMethod and apparatus for automated application of hardfacing material to rolling cutters of hybrid-type earth boring drill bits, hybrid drill bits comprising such hardfaced steel-toothed cutting elements, and methods of use thereof
US8969754May 28, 2013Mar 3, 2015Baker Hughes IncorporatedMethods for automated application of hardfacing material to drill bits
Classifications
U.S. ClassificationD15/139