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Publication numberUSD430578 S
Publication typeGrant
Application numberUS 29/094,716
Publication dateSep 5, 2000
Filing dateOct 8, 1998
Publication number094716, 29094716, US D430578 S, US D430578S, US-S-D430578, USD430578 S, USD430578S
InventorsWilliam J. Brady
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Rotary mining bit
US D430578 S
Abstract  available in
Images(1)
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Claims(1)
  1. The ornamental design for a rotary mining bit, as shown and described.
Description

FIG. 1 is a top plan view of a rotary mining bit illustrating one embodiment of the invention;

FIG. 2 is a side elevational view of the rotary mining bit of FIG. 1, the opposite side being a mirror image;

FIG. 3 is another side elevational view of the rotary mining bit as rotated 90 clockwise from FIGS. 1 and 2 thereof, the opposite side being a mirror image; and,

FIG. 4 is a perspective view of the rotary mining bit of FIG. 1.

The representation of the fragmentary mounting base of the mining bit shown in phantom lines is for environmental purposes only and non-limiting upon the scope of the invention.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6817429Oct 3, 2002Nov 16, 2004Jimmie SollamiRoof bit carbide blade
US6883624 *Jan 31, 2003Apr 26, 2005Smith International, Inc.Multi-lobed cutter element for drill bit
US6929079Feb 21, 2003Aug 16, 2005Smith International, Inc.Drill bit cutter element having multiple cusps
US7086489Apr 25, 2005Aug 8, 2006Smith International, Inc.Multi-lobed cutter element for drill bit
US7228922Jun 8, 2004Jun 12, 2007Devall Donald LDrill bit
US7392866Oct 26, 2006Jul 1, 2008The William Brady Loving TrustRoof drilling system improvements
US7513319Jun 11, 2007Apr 7, 2009Devall Donald LReamer bit
US7631709Dec 15, 2009Smith International, Inc.Drill bit and cutter element having chisel crest with protruding pilot portion
US7686106Mar 30, 2010Smith International, Inc.Rock bit and inserts with wear relief grooves
US7690442Apr 6, 2010Smith International, Inc.Drill bit and cutting inserts for hard/abrasive formations
US7743855Sep 5, 2006Jun 29, 2010Smith International, Inc.Drill bit with cutter element having multifaceted, slanted top cutting surface
US7757789Jul 20, 2010Smith International, Inc.Drill bit and insert having bladed interface between substrate and coating
US7798258Sep 21, 2010Smith International, Inc.Drill bit with cutter element having crossing chisel crests
US7950476Nov 16, 2009May 31, 2011Smith International, Inc.Drill bit and cutter element having chisel crest with protruding pilot portion
US8205692Sep 20, 2007Jun 26, 2012Smith International, Inc.Rock bit and inserts with a chisel crest having a broadened region
US8607899Feb 18, 2011Dec 17, 2013National Oilwell Varco, L.P.Rock bit and cutter teeth geometries
US9279290Dec 27, 2013Mar 8, 2016Smith International, Inc.Manufacture of cutting elements having lobes
US9328562Nov 7, 2013May 3, 2016National Oilwell Varco, L.P.Rock bit and cutter teeth geometries
US20060283639 *Jun 21, 2005Dec 21, 2006Zhou YongDrill bit and insert having bladed interface between substrate and coating
US20070119625 *Oct 26, 2006May 31, 2007The William J. Brady Loving TrustRoof drilling system improvements
US20070251727 *Jun 11, 2007Nov 1, 2007Devall Donald LReamer bit
US20080053710 *Sep 5, 2006Mar 6, 2008Smith International, Inc.Drill bit with cutter element having multifaceted, slanted top cutting surface
US20080156543 *Sep 20, 2007Jul 3, 2008Smith International, Inc.Rock Bit and Inserts With a Chisel Crest Having a Broadened Region
Classifications
U.S. ClassificationD15/21, D15/139