Lettuce knife

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Description

FIG. 1 is a front view of the lettuce knife;

FIG. 2 is a top view of the lettuce knife;

FIG. 3 is a bottom view of the lettuce knife;

FIG. 4 is a back view of the lettuce knife;

FIG. 5 is a left side view of the lettuce knife;

FIG. 6 is a right side view of the lettuce knife; and,

FIG. 7 is a perspective view of the lettuce knife.

Claims

I claim the ornamental design for the lettuce knife, as shown.

Referenced Cited
U.S. Patent Documents
495110 April 1893 Hayes et al.
D24386 June 1895 Christy
D180760 August 1957 Baer
D192961 June 1962 Baer
D269244 June 7, 1983 Becher et al.
D303603 September 26, 1989 Zimmerman
D315660 March 26, 1991 Hahn
D324326 March 3, 1992 Lu
D403559 January 5, 1999 Terenzio
6044566 April 4, 2000 Ries et al.
D468973 January 21, 2003 Sun
D499943 December 21, 2004 Malvoisin et al.
D500233 December 28, 2004 Overthun
D513927 January 31, 2006 Chen
Patent History
Patent number: D545637
Type: Grant
Filed: Aug 16, 2006
Date of Patent: Jul 3, 2007
Assignee: Progressive International Corporation (Kent, WA)
Inventor: Heather Curtin (Renton, WA)
Primary Examiner: Cathron C. Brooks
Assistant Examiner: Ricky Pham
Attorney: Black Lowe & Graham, PLLC
Application Number: 29/248,440
Classifications
Current U.S. Class: D7/650