Patent
   D337335
Priority
Aug 22 1991
Filed
Aug 22 1991
Issued
Jul 13 1993
Expiry
Jul 13 2007
Assg.orig
Entity
unknown
2
12
n/a
The ornamental design for a cutting tool insert, as shown and described.

FIG. 1 is a top and left side perspective view of a cutting tool insert showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is an elevational view, taken from the right side;

FIG. 4 is a bottom plan view;

FIG. 5 is a cross sectional view taken along line V--V in FIG. 2 thereof; and,

FIG. 6 is a cross sectional view taken along line VI--VI in FIG. 2 thereof.

Niebauer, Kenneth L.

Patent Priority Assignee Title
5908071, Sep 22 1995 WEATHERFORD TECHNOLOGY HOLDINGS, LLC Wellbore mills and inserts
5984005, Sep 22 1995 WEATHERFORD TECHNOLOGY HOLDINGS, LLC Wellbore milling inserts and mills
Patent Priority Assignee Title
3733664,
3815191,
3973307, Mar 08 1973 Kennametal Inc. Cutting insert
3975809, Jun 13 1975 Kennametal Inc. Cutting insert, especially for milling operations
4056871, Oct 21 1976 Kennametal Inc. Cutting insert
4259033, Mar 08 1973 Kennametal Inc. Cutting insert
4465412,
4685844, Nov 07 1986 KENNAMETAL PC INC Cutting insert
D305663, Jan 22 1988 KENNAMETAL PC INC Cutting tool insert
DE2258448,
FR1241654,
GB831244,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 21 1991NIEBAUER, KENNETH L KENNAMETAL INC A CORP OF PENNSYLVANIAASSIGNMENT OF ASSIGNORS INTEREST 0058380028 pdf
Aug 22 1991Kennametal Inc.(assignment on the face of the patent)
Oct 23 2000KENNAMETAL INCKENNAMETAL PC INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0110520001 pdf
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