Auger drill bit
Description
Claims
The ornamental design for an auger drill bit, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| 1283246 | October 1918 | Maloney |
| 2504978 | April 1950 | Henning |
| 3207242 | September 1965 | Miller |
| 4625593 | December 2, 1986 | Schmotzer |
| D294584 | March 8, 1988 | Pedersen |
| 4746384 | May 24, 1988 | Tan |
| 4901800 | February 20, 1990 | Wilson |
| 4976341 | December 11, 1990 | Lundell |
| 4986368 | January 22, 1991 | Underwood |
| D325033 | March 31, 1992 | Witherspoon |
| 5113952 | May 19, 1992 | Niewold |
| 5133269 | July 28, 1992 | Charneski |
| 5358209 | October 25, 1994 | Ward |
| 5408788 | April 25, 1995 | Hamilton |
| 5507354 | April 16, 1996 | Harleman |
| 5575122 | November 19, 1996 | Hamilton |
| 5607261 | March 4, 1997 | Odom |
| 5718153 | February 17, 1998 | Borden |
| 5794727 | August 18, 1998 | Murray |
| D398363 | September 15, 1998 | LoBue |
| 5820319 | October 13, 1998 | Hull |
| 5899319 | May 4, 1999 | Jarnagin |
| 6024520 | February 15, 2000 | Haughton |
| D421532 | March 14, 2000 | Koroncai |
| 6032880 | March 7, 2000 | Verrills |
| 6168101 | January 2, 2001 | Xie |
| 6296068 | October 2, 2001 | Frederick |
| 6412235 | July 2, 2002 | Pylant |
| D475372 | June 3, 2003 | Dulkoski |
| 6817810 | November 16, 2004 | Jones |
| 6955227 | October 18, 2005 | Motosko |
| D518286 | April 4, 2006 | Santos |
| D546167 | July 10, 2007 | Noethe |
| D629431 | December 21, 2010 | Vincent |
| D741924 | October 27, 2015 | Lee |
| D798923 | October 3, 2017 | Homola |
| D854921 | July 30, 2019 | Fisher |
| D859483 | September 10, 2019 | Zimmermann |
| 10744671 | August 18, 2020 | Zimmermann |
| D932834 | October 12, 2021 | Wollam |
| 20040154814 | August 12, 2004 | Brennan |
| 20190375028 | December 12, 2019 | Kulig |
| 0856387 | August 1998 | EP |
Patent History
Patent number: D943650
Type: Grant
Filed: Feb 5, 2021
Date of Patent: Feb 15, 2022
Inventor: Xinwei Li (Suzhou)
Primary Examiner: Patricia A Palasik
Application Number: 29/769,426
Type: Grant
Filed: Feb 5, 2021
Date of Patent: Feb 15, 2022
Inventor: Xinwei Li (Suzhou)
Primary Examiner: Patricia A Palasik
Application Number: 29/769,426
Classifications
Current U.S. Class:
Cutting Tool, E.g., Drill Bit, Etc. (D15/139)