Fiberglass knife

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Description

FIG. 1 is an isometric view of the fiberglass knife;

FIG. 2 is a front end view of the fiberglass knife;

FIG. 3 is a rear end view of the fiberglass knife;

FIG. 4 is a bottom view of the fiberglass knife;

FIG. 5 is a top view of the fiberglass knife; and,

FIG. 6 is a side view of the fiberglass knife.

Referenced Cited
U.S. Patent Documents
D245570 August 30, 1977 West et al.
D299807 February 14, 1989 Sawa
D300600 April 11, 1989 High
D344155 February 8, 1994 Ueno et al.
825063 July 1906 Lawbaugh
832455 October 1906 Christensen
2316446 April 1943 Matsunaga
2559689 July 1951 Truesdell
2907106 October 1959 Lockwood
2948960 August 1960 Eckstein
3157946 November 1964 Smecko
3219316 November 1965 Fried
3965575 June 29, 1976 Stunger
4713884 December 22, 1987 Dunnagan
4821418 April 18, 1989 Windhager
5063627 November 12, 1991 Marra
Patent History
Patent number: D391821
Type: Grant
Filed: Feb 7, 1997
Date of Patent: Mar 10, 1998
Inventor: Vincent L. Schultz (Shakopee, MN)
Primary Examiner: Philip S. Hyder
Law Firm: Palmatier, Sjoquist, Helget & Voigt, P.A.
Application Number: 0/67,242
Classifications
Current U.S. Class: D 8/98
International Classification: 0803;