String trimmer knife

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Description

FIG. 1 is a perspective view of the string trimmer knife of our design;

FIG. 2 is top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is an end elevational view of the right end thereof;

FIG. 6 is an end elevational view of the left end thereof; and,

FIG. 7 is a bottom plan view thereof.

Claims

The ornamental design for the string trimmer knife, as shown and described.

Referenced Cited
U.S. Patent Documents
3103009 September 1963 House, Jr.
D268640 April 19, 1983 Bonforte
D268641 April 19, 1983 Bonforte
D347150 May 24, 1994 Falconbridge
5394612 March 7, 1995 Wolfington
D357482 April 18, 1995 Forbush
D389382 January 20, 1998 Houle
6658741 December 9, 2003 Paluszek
Patent History
Patent number: D628034
Type: Grant
Filed: Feb 12, 2010
Date of Patent: Nov 30, 2010
Inventors: Robert V. Albertson (Alma, WI), Deah L. Udell (Wayzata, MN)
Primary Examiner: Holly H Baynham
Assistant Examiner: Sheryl Lane
Attorney: Richard John Bartz
Application Number: 29/348,803
Classifications
Current U.S. Class: D8/8