Claims (1)
Claim 1 (Independent)
The ornamental design for a button drill bit, as shown and described.
Full Description
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is a perspective view of a button drill bit showing my new design;
is a front view thereof;
is a back view thereof;
is a left view thereof;
is a right view thereof;
is a top view thereof; and,
is a bottom view thereof.
The broken lines in the figures illustrate the portions of the button drill bit that form no part of the claimed design.
Figures (7)
Citations
This patent cites (34)
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