Hole saw

- Credo Tool Company
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 shows a perspective view of the hole saw of the present design;

FIG. 2 shows a right side view of the hole saw of the present design, the left side view diametrically opposite the right side view of FIG. 2 being a mirror image;

FIG. 3 shows a top view of the hole saw of the present design;

FIG. 4 shows a bottom view of the hole saw of the present design;

FIG. 5 shows a perspective view of another embodiment of the hole saw of the present design;

FIG. 6 shows a right side view of the hole saw of the design of FIG. 5, the left side view diametrically opposite the right side view of FIG. 5 being a mirror image;

FIG. 7 shows a top view of the hole saw of the design of FIG. 5; and,

FIG. 8 shows a bottom view of the hole saw of the design of FIG. 5.

The broken lines disclosure illustrated in the drawings are for illustration purposes only and form no part of the claimed design.

Referenced Cited
U.S. Patent Documents
3374696 March 1968 Treuathan
5435672 July 25, 1995 Hall et al.
5597274 January 28, 1997 Behner
Patent History
Patent number: D392297
Type: Grant
Filed: Aug 9, 1996
Date of Patent: Mar 17, 1998
Assignee: Credo Tool Company (Woodburn, OR)
Inventor: David T. Brutscher (Louisville, KY)
Primary Examiner: Antoine Duval Davis
Law Firm: McDermott, Will & Emery
Application Number: 0/58,212
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)
International Classification: 1509;