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.
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Number | Date | Country | |
---|---|---|---|
Parent | 29867872 | Nov 2022 | US |
Child | 29911954 | US | |
Parent | 29726539 | Mar 2020 | US |
Child | 29867872 | US |