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Publication numberUSD372253 S
Publication typeGrant
Application numberUS 29/033,630
Publication dateJul 30, 1996
Filing dateJan 17, 1995
Publication number033630, 29033630, US D372253 S, US D372253S, US-S-D372253, USD372253 S, USD372253S
InventorsMichael S. Beaton, Jay S. Bird, Harry M. Campos, Jr., Alan D. Huffstutler
Original AssigneeDresser Industries, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Support arm and rotary cone for modular drill bit
US D372253 S
Images(2)
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Claims(1)
  1. The ornamental design for a support arm and rotary cone for modular drill bit, as shown.
Description

FIG. 1 is a perspective view of the support arm and rotary cone for modular drill bit showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a first side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a back elevational view thereof;

FIG. 6 is a second side elevational view thereof; and,

FIG. 7 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 Patent Application No. PCT/US95/10015 International Search Report, dated Juan. 4, 1996.
3Security/Dresser "Security Oilfield Catalog" Rock bits, Diamond Products, Drilling Tools, Security Means Technology, Nov. 1992.
4U.S. Design Patent Application filed Jan. 16, 1995 and entitled Rotary Drill Bit.
5U.S. Patent Application 8/422,140 filed Apr. 13, 1995 and entitled Rotary Drill Bit And Method 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 No. 29/033599, filed Jan. 17, 1995, entitled rotary Cone Drill Bit.
8U.S. Patent Application No. 29/043782, filed Sep. 12, 1995, entitled rotary Cone Drill Bit.
9U.S. Patent Application Ser. No. 08/287,390, filed Aug. 8, 1994 and entitled Rotary Cone Drill Bit And Method For Manufacture And Rebuild.
10U.S. Patent Application Ser. No. 08/287,441, filed Aug. 8, 1994 and entitled Rotary Cone Drill Bit With Improved Support Arms.
11U.S. Patent Application Ser. No. 08/287,446, filed Aug. 8, 1994 and entitled Modular Rotary Drill Bit.
12U.S. Patent Application Ser. No. 08/287,457, filed Aug. 8, 1994 and entitled Rock Bit With enhanced Fluid Return Area.
13U.S. Patent Application Ser. No. 08/350,910 filed Dec. 7, 1994 and entitled Rotary Cone Drill Bit With Angles Ramps.
14U.S. Patent Application Ser. No. 08/351,019 filed Dec. 7, 1994 and entitled Rotary Cone Drill Bit And Method For Enhanced Lifting Of Fluids And Cuttings.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
WO2012060937A1Sep 22, 2011May 10, 2012Baker Hughes IncorporatedSystem and method for adjusting roller cone profile on hybrid bit
Classifications
U.S. ClassificationD15/139