Razor knife

- Zinsser Co., Inc.

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FIG. 1 is a front, left, top perspective view of a razor knife, showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.


I claim the ornamental design for a razor knife, as shown and described.

Referenced Cited
U.S. Patent Documents
3324548 June 1967 Mascia
3965575 June 29, 1976 Stunger
4821418 April 18, 1989 Windhager
5208984 May 11, 1993 Negus
D379293 May 20, 1997 Schultz
D391821 March 10, 1998 Schultz
D393329 April 7, 1998 Ido et al.
D395589 June 30, 1998 Schaeffer
Patent History
Patent number: D502640
Type: Grant
Filed: Oct 20, 2003
Date of Patent: Mar 8, 2005
Assignee: Zinsser Co., Inc. (Somerset, NJ)
Inventor: Linda Mitchell (Nashville, TN)
Primary Examiner: Philip S. Hyder
Attorney: Calfee, Halter & Griswold LLP
Application Number: 29/192,160
Current U.S. Class: D8/98