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Patent
D573165
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Priority
Dec 20 2007
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Filed
Dec 20 2007
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Issued
Jul 15 2008
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Expiry
Jul 15 2022
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Assg.orig
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Entity
unknown
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16
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18
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n/a
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The ornamental design for a step bit, as shown and described.
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FIG. 1 is a left view of the device.
FIG. 2 is a front view of the device.
FIG. 3 is rear view of the device; and,
FIG. 4 is a right view of the device.
Grundvig, Arlen
| Patent |
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Title |
| 10086445, |
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| 10751811, |
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| 11148212, |
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| 11351666, |
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Apparatus for limiting equipment burden when penetrating a mixed or composite material structure including metal utilizing a hammer-drill |
| 11745273, |
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| 11845134, |
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| 9566692, |
Apr 05 2011 |
INGERSOLL-RAND INDUSTRIAL U S , INC |
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| 9579732, |
Jul 18 2012 |
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| D599906, |
Mar 13 2009 |
MINSURG INTERNATIONAL, INC |
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| D719594, |
Nov 15 2013 |
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Drill bit assembly |
| D726792, |
Nov 27 2013 |
|
Drill bit |
| D727985, |
Nov 15 2013 |
McGinley Engineered Solutions, LLC |
Drill bit assembly |
| D958855, |
Dec 09 2019 |
Milwaukee Electric Tool Corporation |
Hole saw |
| RE48513, |
Jul 18 2012 |
Milwaukee Electric Tool Corporation |
Hole saw |
| Patent |
Priority |
Assignee |
Title |
| 3359837, |
|
|
|
| 4418766, |
Jul 25 1979 |
Black & Decker Inc. |
Compact multi-speed hammer-drill |
| 4489792, |
May 28 1981 |
|
Hammer drill adapter |
| 4850758, |
Nov 15 1988 |
|
Quick-change drill bits and holder |
| 5028181, |
May 14 1990 |
Grumman Aerospace Corporation |
Quick change right angle and offset drill head |
| 5149231, |
Dec 23 1991 |
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Counterbore |
| 5222848, |
Mar 03 1992 |
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Multi-functional drill and lock assembly |
| 5328308, |
Dec 30 1992 |
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Gyro-stabilized tool bit and wide mouth tool bit mounting chuck |
| 5746095, |
Jun 17 1995 |
Hilti Aktiengesellschaft |
Method of forming rotary drilling tools |
| 6231281, |
Dec 11 1997 |
Honda Giken Kogyo Kabushiki Kaisha |
Thread milling cutter with drilling edges |
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Jun 30 2003 |
I.D.M.S., L.L.C. |
Drill measurement stops |
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| 20040112647, |
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| 20050186043, |
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|
| 20060099041, |
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|
| D415774, |
Aug 22 1997 |
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Drill for concrete |
| D419576, |
Jan 14 1999 |
|
Combined drill and counterbore bits |
| D430584, |
Dec 07 1999 |
Kouvato, Inc. |
Drill bit |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a