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Patent
D892183
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Priority
Apr 27 2018
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Filed
Mar 04 2020
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Issued
Aug 04 2020
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Expiry
Aug 04 2035
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Assg.orig
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Entity
unknown
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14
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56
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n/a
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We claim the ornamental design for a step drill bit, as shown and described.
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FIG. 1 is a first side view of a step drill bit embodying the invention.
FIG. 2 is a second side view of the step drill bit of FIG. 1.
FIG. 3 is a third side view of the step drill bit of FIG. 1; and,
FIG. 4 is a fourth side view of the step drill bit of FIG. 1.
The broken lines in the drawings depict portions of the step drill bit which form no part of the claimed design.
Hohnl, Jr., Richard, Greenhill, Alexander R., Parendo, Brett A., Hlavac, David, Ludviksson, Ingolfur
| Patent |
Priority |
Assignee |
Title |
| 11273501, |
Apr 26 2018 |
Milwaukee Electric Tool Corporation |
Step drill bit |
| 11554424, |
Feb 14 2016 |
|
Twist drill |
| 11691203, |
Apr 26 2018 |
Milwaukee Electric Tool Corporation |
Step drill bit |
| 11865627, |
Feb 14 2016 |
|
Twist drill |
| D917589, |
Oct 26 2018 |
BOSCH POWER TOOLS CHINA CO LTD ; Robert Bosch GmbH |
Drill bit |
| D928855, |
Sep 13 2019 |
Disston Company |
Spade drill bit |
| D930056, |
Dec 31 2019 |
|
Flat drill bit |
| D936117, |
Jun 06 2014 |
Milwaukee Electric Tool Corporation |
Step drill bit |
| D980979, |
Nov 30 2018 |
Shukla Medical |
Nail extractor |
| ER1600, |
|
|
|
| ER5134, |
|
|
|
| ER7210, |
|
|
|
| ER8894, |
|
|
|
| ER9578, |
|
|
|
| Patent |
Priority |
Assignee |
Title |
| 10245656, |
Jul 27 2017 |
GREENLEE TOOLS, INC |
Step bit |
| 10252351, |
Jun 06 2013 |
Milwaukee Electric Tool Corporation |
Step drill bit |
| 10328500, |
Aug 03 2017 |
GREENLEE TOOLS, INC |
Cutting and deburring tool |
| 10421130, |
Dec 10 2015 |
Milwaukee Electric Tool Corporation |
Accessory tool |
| 2607562, |
|
|
|
| 2897696, |
|
|
|
| 3564945, |
|
|
|
| 3645640, |
|
|
|
| 3758222, |
|
|
|
| 4127355, |
Sep 06 1977 |
COBRA WIRE LEADER CORPORATION |
Wood bit |
| 4189266, |
Aug 01 1975 |
|
Rotary drill bit for hand-held power drills |
| 4536107, |
Aug 29 1983 |
TEXTRON IPMP L P |
Drill bit |
| 4582458, |
Aug 09 1984 |
AMERICAN SAW & MFG COMPANY |
Stepped drill construction |
| 5427477, |
May 14 1993 |
NEC Tokin Corporation |
Tool for calibrating and deburring pipe ends |
| 5466100, |
Oct 24 1994 |
Alfa Manufacturing Industries, Inc. |
Multi-stepped power drill bit having handle chuck adaptor |
| 5820319, |
Jan 16 1996 |
|
Auger bit having a replaceable tip |
| 5915893, |
Jun 05 1996 |
Kabushiki Kaisha Miyanaga |
Multistage bit and stopper |
| 6361255, |
Oct 30 2000 |
B & A Manufacturing Co. |
Drill bit with inscriber |
| 716557, |
|
|
|
| 7171871, |
Apr 25 2003 |
COMBINED PRODUCTS CO #1, INC |
Damaged bolt and screw removing devices |
| 8764355, |
Feb 15 2011 |
Irwin Industrial Tool Company |
Step drill bit |
| 9676041, |
Jul 18 2012 |
Milwaukee Electric Tool Corporation |
Power tool accessory |
| 9731358, |
Jun 06 2013 |
Milwaukee Electric Tool Corporation |
Step drill bit |
| 20010010784, |
|
|
|
| 20040076483, |
|
|
|
| 20060093448, |
|
|
|
| 20070264094, |
|
|
|
| 20080029311, |
|
|
|
| 20080166195, |
|
|
|
| 20110038679, |
|
|
|
| 20120195704, |
|
|
|
| 20170129022, |
|
|
|
| D345495, |
Dec 05 1991 |
|
Drill bit for retrieving broken bolts |
| D390239, |
Oct 17 1996 |
|
Detachable drill bit and fluted tap |
| D408424, |
Mar 23 1998 |
|
Wood drill |
| D419575, |
Jan 07 1999 |
Kouvato, Inc. |
Drill bit |
| D504446, |
Feb 17 2003 |
Kobayashi Gimlet Mfg. Co., Ltd. |
Woodworking drill |
| D525272, |
Dec 24 2003 |
Robert Bosch GmbH |
Rotary impact drill bit |
| D526670, |
Apr 13 2005 |
|
Step drill bit with stop |
| D531650, |
Apr 13 2005 |
|
High speed drill bit for mortar |
| D559874, |
Jul 25 2005 |
Kobayashi Gimlet Mfg. Co., Ltd. |
Woodworking drill bit |
| D580462, |
Jun 11 2008 |
|
Woodworking drill bit |
| D585919, |
Feb 15 2008 |
ROCKY MOUNTAIN TWIST CORPORATION |
Drill bit tip |
| D585920, |
Jun 11 2008 |
|
Woodworking drill bit |
| D626575, |
Aug 20 2009 |
|
Drill bit |
| D664167, |
Aug 02 2010 |
HELLER TOOLS GMBH |
Head portion of rock drill |
| D678369, |
Feb 18 2010 |
Black & Decker Inc |
Drill bit |
| D682897, |
Feb 12 2010 |
Techtronic Power Tools Technology Limited |
Wood boring bit |
| D682899, |
Feb 12 2010 |
Techtronic Power Tools Technology Limited |
Wood boring bit |
| D687871, |
Jan 03 2013 |
|
Woodworking drill bit |
| D709111, |
Feb 01 2013 |
|
Woodworking drill bit |
| D724125, |
Mar 01 2013 |
|
Cable drill bit |
| D734792, |
Mar 15 2013 |
Black & Decker Inc. |
Drill bit |
| D737875, |
Mar 15 2013 |
Black & Decker Inc |
Drill bit |
| D741924, |
Mar 07 2014 |
Ming Chang Carpenter Auger Bit Co., Ltd.; MING CHANG CARPENTER AUGER BIT CO , LTD |
Cable guiding drill bit |
| D872783, |
Apr 27 2018 |
Milwaukee Electric Tool Corporation |
Step drill bit |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a