Banded drill bit

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Description

FIG. 1 is a side elevational view of a banded drill bit showing an embodiment of my new design, all other side views showing the same stippled bands.

FIG. 2 is a perspective view of the embodiment of FIG. 1.

FIG. 3 is a side elevational view of a banded drill bit showing another embodiment of my new design, all other side views showing the same stippled bands.

FIG. 4 is a perspective view of the embodiment of FIG. 3.

FIG. 5 is a side elevational view of the banded drill bit showing yet another embodiment of my new design, all other side views showing the same stippled bands.

FIG. 6 is a perspective view of the embodiment of FIG. 5.

FIG. 7 is a side elevational view of a banded drill bit showing still another embodiment of my new design, all other side views showing the same stipppled bands.

FIG. 8 is a perspective view of the embodiment of FIG. 7.

FIG. 9 is a side elevational view of a banded drill bit showing a further embodiment of my new design, all other side views showing the same stippled bands.

FIG. 10 is a perspective view of the embodiment of FIG. 9.

FIG. 11 is a work-engaging end view of the banded drill bits of FIGS. 3, 4, 9, and 10, the tailstock end view of these bits showing no ornamental features; and,

FIG. 12 is a work-engaging end view of the banded drill bits of FIGS. 1, 2 and 5-8, the tailstock end view of these bits showing no ornamental features.

The broken line showing is for illustrative purposes only and forms no part of the claimed design.

The stippled banding shown throughout the disclosure represents a change in the surface's configuration and contour.

Claims

The ornamental design for a banded drill bit, as shown and described.

Referenced Cited
U.S. Patent Documents
5035618 July 30, 1991 Katz et al.
5785522 July 28, 1998 Bergstrom et al.
5941706 August 24, 1999 Ura
Patent History
Patent number: D520537
Type: Grant
Filed: Aug 12, 2004
Date of Patent: May 9, 2006
Inventor: Tobias Michael Cardew (Salisbury)
Primary Examiner: Antoine D. Davis
Assistant Examiner: Patricia Palasik
Attorney: David Kiewit
Application Number: 29/211,233
Classifications