|
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.
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, |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 21 1991 | NIEBAUER, KENNETH L | KENNAMETAL INC A CORP OF PENNSYLVANIA | ASSIGNMENT OF ASSIGNORS INTEREST | 005838 | /0028 | |
Aug 22 1991 | Kennametal Inc. | (assignment on the face of the patent) | / | |||
Oct 23 2000 | KENNAMETAL INC | KENNAMETAL PC INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 011052 | /0001 |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |