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The ornamental design for a spade-type boring bit, as shown and described. |
FIG. 1 is a front perspective view of a first embodiment of our new design;
FIG. 2 is a rear elevational view thereof, taken from the side opposite that illustrated in FIG. 1;
FIG. 3 is a side elevational view thereof, taken from the side opposite that illustrated in FIG. 1;
FIG. 4 is a slightly enlarged top plan view thereof;
FIG. 5 is a slightly enlarged bottom plan view thereof;
FIG. 6 is an enlarged cross-sectional view thereof, taken along line 6--6 of FIG. 2;
FIG. 7 is a front perspective view of a second embodiment of our new design;
FIG. 8 is a rear elevational view thereof, taken from the side opposite that illustrated in FIG. 7;
FIG. 9 is a side elevational view thereof, taken from the side opposite that illustrated in FIG. 7;
FIG. 10 is a slightly enlarged top plan view thereof;
FIG. 11 is a slightly enlarged bottom plan view thereof; and,
FIG. 12 is an enlarged cross-sectional view thereof, taken along line 12--12 of FIG. 8.
The broken lines in the Figures are shown for illustrative purposes only and form no part of the claimed design.
Thomas, Rickey J., McKenna, Chris, Stone, Paul A.
Patent | Priority | Assignee | Title |
2332295, | |||
2627292, | |||
2681673, | |||
2692627, | |||
2782824, | |||
2794468, | |||
2883888, | |||
2962066, | |||
3920350, | |||
3997279, | Jan 20 1975 | Parker Manufacturing Co. | Drill bit |
4050841, | Mar 15 1976 | The Stanley Works | Power boring bits |
4286904, | Jul 16 1979 | STANLEY-PARKER, INC | Wood bit |
4625593, | Aug 07 1984 | Wood drill and method of construction | |
4682917, | Jan 24 1986 | Irwin Industrial Tool Company | Spade bit with fluted shoulders |
4753558, | Aug 08 1984 | INSTALLATIONSVERKTYG INVE AB | Installation drill |
4950111, | Dec 23 1988 | Drill bit with spurs and having rectangular center spur with concave tip | |
5056967, | Mar 28 1989 | LAWSON PRODUCTS, INC | Spotweld removal tool |
5061127, | Apr 05 1991 | Drill bit with concave spurs and having triangular center point with vee grooves | |
5099933, | Sep 13 1989 | Credo Tool Company | Drill bit for drilling along arcuate path |
5145018, | Sep 13 1989 | Credo Technology Corporation | Drill bit for drilling along an arcuate path |
5149234, | Aug 16 1991 | Irwin Industrial Tool Company | Spot-weld removing tool |
5184689, | Mar 06 1991 | KENNAMETAL INC | Radial cut drill bit insert |
5193951, | Aug 24 1988 | Credo Technology Corporation | Wood-drilling bit |
5221166, | Jul 31 1991 | Enderes Tool Co., Inc.; ENDERES TOOL CO , INC , | Spade-type drill bit apparatus and method |
5286143, | May 20 1992 | Credo Technology Corporation | Wood bit and method of making |
5291806, | Jul 31 1991 | Enderes Tool Company, Inc. | Spade-type drill bit apparatus and method |
5433561, | May 20 1992 | Credo Technology Corporation | Wood bit and method of making |
5452970, | Jul 15 1991 | Irwin Industrial Tool Company | Drill bit |
240263, | |||
D278065, | Feb 08 1982 | RULE CUTTING TOOLS, INC | Boring tool or similar article |
EP118806, | |||
GB2130935, | |||
GB2271948, |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Nov 07 1995 | Black & Decker Inc. | (assignment on the face of the patent) | / |
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