Drill bit sharpener

Description

FIG. 1 is a left side elevational view of the drill bit sharpener showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D162593 March 1951 Sykes
1044036 November 1912 Fassett
Other references
  • Institutions Magazine, May 1960, p. 189, "Intedge" Knife Serrator. Hardware Age, Jul. 1984, p. 22, "Gamn'" Chain Saw Sharpener.
Patent History
Patent number: D309559
Type: Grant
Filed: Oct 2, 1987
Date of Patent: Jul 31, 1990
Inventor: Daniel Vaccaro (Chula Vista, CA)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Clare E. Heflin
Attorney: Charles C. Logan, II
Application Number: 7/106,329
Classifications
Current U.S. Class: D 8/91