
Claims (1)
Claim 1 (Independent)
The ornamental design for a spade drill bit, as shown and described.
Full Description
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is a perspective view of a spade drill bit showing my new design;
is another perspective view thereof;
is a front elevational view thereof;
is a rear elevational view thereof;
is a left side elevational view thereof;
is a right side elevational view thereof;
is a top plan view thereof;
is a bottom plan view thereof; and,
is an enlarged view of portion 9 shown in .
The dot-dash broken lines represent boundaries of the enlarged portions and form no part of the claimed design.
Figures (9)
Citations
This patent cites (25)
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