The broken lines in the drawings depict portions of the drill bit which form no part of the claimed design.
The broken lines in the drawings depict portions of the drill bit which form no part of the claimed design.
Number | Name | Date | Kind |
---|---|---|---|
5820319 | Hull et al. | Oct 1998 | A |
6361255 | Schmotzer | Mar 2002 | B1 |
D559874 | Kobayashi | Jan 2008 | S |
D859483 | Zimmermann | Sep 2019 | S |
10744671 | Zimmermann et al. | Aug 2020 | B2 |
D923674 | Zimmermann et al. | Jun 2021 | S |
11285632 | Zimmermann | Mar 2022 | B2 |
D973735 | Hyma | Dec 2022 | S |
20030035694 | Liao | Feb 2003 | A1 |
20110318129 | Piper | Dec 2011 | A1 |
Number | Date | Country | |
---|---|---|---|
Parent | 29726539 | Mar 2020 | US |
Child | 29867872 | US |