Woodworking drill bit

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view, taken from the front, top, and left side of a woodworking drill bit showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective enlarged view of a lower section shown in the circle in FIG. 1.

Claims

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

Referenced Cited
U.S. Patent Documents
5842267 December 1, 1998 Biederman et al.
D504446 April 26, 2005 Kobayashi
D544892 June 19, 2007 Watson et al.
D585920 February 3, 2009 Liao et al.
D608802 January 26, 2010 Ibarra et al.
Patent History
Patent number: D687871
Type: Grant
Filed: Jan 3, 2013
Date of Patent: Aug 13, 2013
Inventors: Chung-Liang Liao (Taichung Hsien), Chung-Hung Liao (Taichung Hsien), Jen-Sheng Liao (Taichung Hsien)
Primary Examiner: Patricia Palasik
Application Number: 29/441,287
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)