Patent
   D324527
Priority
Mar 24 1989
Filed
Mar 24 1989
Issued
Mar 10 1992
Expiry
Mar 10 2006
Assg.orig
Entity
unknown
17
6
n/a
The ornamental design for stud-mounted polycrystalline diamond cutting blank, as shown and described.

FIG. 1 is a front elevational view of a stud-mounted polycrystalline diamond cutting blank showing my new design;

FIG. 2 is a left side elevational view, the right side elevational view being identical thereto;

FIG. 3 is a rear elevational view;

FIG. 4 is a top plan view; and

FIG. 5 is a bottom plan view thereof.

Slutz, David E.

Patent Priority Assignee Title
11828108, Jan 13 2016 Schlumberger Technology Corporation Angled chisel insert
5180022, May 23 1991 DOVER BMCS ACQUISITION CORP Rotary mining tools
5303787, May 23 1991 DOVER BMCS ACQUISITION CORP Rotary mining tools
6883624, Jan 31 2003 Smith International, Inc. Multi-lobed cutter element for drill bit
6929079, Feb 21 2003 Smith International, Inc. Drill bit cutter element having multiple cusps
7086489, Jan 31 2003 Smith International, Inc. Multi-lobed cutter element for drill bit
7631709, Jan 03 2007 Smith International, Inc Drill bit and cutter element having chisel crest with protruding pilot portion
7686106, Jan 03 2007 Smith International, Inc Rock bit and inserts with wear relief grooves
7690442, May 17 2005 Smith International, Inc Drill bit and cutting inserts for hard/abrasive formations
7743855, Sep 05 2006 Smith International, Inc. Drill bit with cutter element having multifaceted, slanted top cutting surface
7757789, Jun 21 2005 Smith International, Inc Drill bit and insert having bladed interface between substrate and coating
7798258, Jan 03 2007 Smith International, Inc Drill bit with cutter element having crossing chisel crests
7950476, Jan 03 2007 Smith International, Inc. Drill bit and cutter element having chisel crest with protruding pilot portion
8205692, Jan 03 2007 Smith International, Inc Rock bit and inserts with a chisel crest having a broadened region
8607899, Feb 18 2011 NATIONAL OILWELL VARCO, L P Rock bit and cutter teeth geometries
9279290, Dec 28 2012 Smith International, Inc Manufacture of cutting elements having lobes
9328562, Feb 18 2011 National Oilwell Varco, L.P. Rock bit and cutter teeth geometries
Patent Priority Assignee Title
4550790, Feb 28 1983 Eastman Christensen Company Diamond rotating bit
4593777, Feb 22 1983 CAMCO INTERNATIONAL INC , A CORP OF DE Drag bit and cutters
4716975, Feb 03 1987 DIAMANT BOART-STRATABIT USA INC , A CORP OF DE Cutting element having a stud and cutting disk bonded thereto
4727945, Dec 29 1986 DIAMANT BOART-STRATABIT USA INC , A CORP OF DE Cutting element having diamond cutting blank reinforced by a shoulder
D305498, Oct 05 1988 Router bit
D317010, May 11 1988 DIAMOND INNOVATIONS, INC; GE SUPERABRASIVES, INC Stud-mounted polycrystalline toothed diamond cutting blank
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 24 1989General Electric Company(assignment on the face of the patent)
Mar 29 1989SLUTZ, DAVID E GENERAL ELECTRIC COMPANY, A CORP OF NY ASSIGNMENT OF ASSIGNORS INTEREST 0050570144 pdf
Dec 31 2003GE SUPERABRASIVES, INC DIAMOND INNOVATIONS, INCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0151470674 pdf
Dec 31 2003General Electric CompanyGE SUPERABRASIVES, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0151900560 pdf
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