Drill bit
Description
1. Drill bit
The subject design is a drill bit for drilling concrete.
Claims
The ornamental design for a drill bit, as shown and described.
Referenced Cited
U.S. Patent Documents
4629375 | December 16, 1986 | Lieser |
D428027 | July 11, 2000 | Kouvelis |
RE37149 | May 1, 2001 | Hartlohner |
D456990 | May 14, 2002 | Lusty |
D633769 | March 8, 2011 | Evatt |
D656611 | March 27, 2012 | Garcia |
8366356 | February 5, 2013 | Novak |
RE46103 | August 16, 2016 | Novak |
D779046 | February 14, 2017 | Tansey, Jr. |
10155269 | December 18, 2018 | Jindai |
10532412 | January 14, 2020 | Ward |
10605007 | March 31, 2020 | Kim |
D881666 | April 21, 2020 | Andersson |
D886171 | June 2, 2020 | Dill |
D894978 | September 1, 2020 | Misumi |
D903454 | December 1, 2020 | Kuhns |
11007582 | May 18, 2021 | Lee |
D958856 | July 26, 2022 | Kim |
20050205306 | September 22, 2005 | Miyanaga |
20070278016 | December 6, 2007 | Koch |
20100135741 | June 3, 2010 | Probst |
20110167966 | July 14, 2011 | Liu |
20120099943 | April 26, 2012 | Chiu |
Patent History
Patent number: D976293
Type: Grant
Filed: Mar 30, 2022
Date of Patent: Jan 24, 2023
Inventor: Yun Ku Song (Seoul)
Primary Examiner: Patricia A Palasik
Application Number: 35/514,541
Type: Grant
Filed: Mar 30, 2022
Date of Patent: Jan 24, 2023
Inventor: Yun Ku Song (Seoul)
Primary Examiner: Patricia A Palasik
Application Number: 35/514,541
Classifications
Current U.S. Class:
Cutting Tool, E.g., Drill Bit, Etc. (D15/139)