Spear blade of handsaw


FIG. 1 is a right side elevational view of a spear blade of handsaw showing my new design;

FIG. 2 is a top elevational view thereof;

FIG. 3 is a bottom elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
D162794 April 1951 Derr
D322020 December 3, 1991 Grachan
3028889 April 1962 McCarty
4411068 October 25, 1983 Theodoridee
Other references
  • Irwin Power Tool Accessory Catalog, pp. 97, 99, and 100, Saw Blades, 1994. Lenox Power Tool Accessory Tool Catalog, pp. 9 and 11, Saw Blades, 1995.
Patent History
Patent number: D406023
Type: Grant
Filed: Dec 2, 1997
Date of Patent: Feb 23, 1999
Assignee: Okada Metal Industries Co., Ltd. (Hyogo)
Inventor: Tamotsu Okada (Hyogo)
Primary Examiner: Philip S. Hyder
Law Firm: Darby & Darby
Application Number: 0/80,182
Current U.S. Class: D 8/20; D8/95
International Classification: 0803;