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Publication numberUSD430578 S
Publication typeGrant
Application numberUS 29/094,716
Publication date5 Sep 2000
Filing date8 Oct 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
US68174293 Oct 200216 Nov 2004Jimmie SollamiRoof bit carbide blade
US6883624 *31 Jan 200326 Apr 2005Smith International, Inc.Multi-lobed cutter element for drill bit
US692907921 Feb 200316 Aug 2005Smith International, Inc.Drill bit cutter element having multiple cusps
US708648925 Apr 20058 Aug 2006Smith International, Inc.Multi-lobed cutter element for drill bit
US72289228 Jun 200412 Jun 2007Devall Donald LDrill bit
US739286626 Oct 20061 Jul 2008The William Brady Loving TrustRoof drilling system improvements
US751331911 Jun 20077 Apr 2009Devall Donald LReamer bit
US763170915 Dec 2009Smith International, Inc.Drill bit and cutter element having chisel crest with protruding pilot portion
US768610630 Mar 2010Smith International, Inc.Rock bit and inserts with wear relief grooves
US76904426 Apr 2010Smith International, Inc.Drill bit and cutting inserts for hard/abrasive formations
US77438555 Sep 200629 Jun 2010Smith International, Inc.Drill bit with cutter element having multifaceted, slanted top cutting surface
US775778920 Jul 2010Smith International, Inc.Drill bit and insert having bladed interface between substrate and coating
US779825821 Sep 2010Smith International, Inc.Drill bit with cutter element having crossing chisel crests
US795047616 Nov 200931 May 2011Smith International, Inc.Drill bit and cutter element having chisel crest with protruding pilot portion
US820569220 Sep 200726 Jun 2012Smith International, Inc.Rock bit and inserts with a chisel crest having a broadened region
US860789918 Feb 201117 Dec 2013National Oilwell Varco, L.P.Rock bit and cutter teeth geometries
US927929027 Dec 20138 Mar 2016Smith International, Inc.Manufacture of cutting elements having lobes
US20060283639 *21 Jun 200521 Dec 2006Zhou YongDrill bit and insert having bladed interface between substrate and coating
US20070119625 *26 Oct 200631 May 2007The William J. Brady Loving TrustRoof drilling system improvements
US20070251727 *11 Jun 20071 Nov 2007Devall Donald LReamer bit
US20080053710 *5 Sep 20066 Mar 2008Smith International, Inc.Drill bit with cutter element having multifaceted, slanted top cutting surface
US20080156543 *20 Sep 20073 Jul 2008Smith International, Inc.Rock Bit and Inserts With a Chisel Crest Having a Broadened Region
Classifications
U.S. ClassificationD15/21, D15/139