Plastic foam cutting instrument

Description

FIG. 1 is a front elevational view of a plastic foam cutting instrument showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a left side elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a rear elevational view;

FIG. 6 is a bottom plan view;

FIG. 7 is a top, front and right side perspective view; and,

FIG. 8 is a top, front and right side perspective view thereof, shown in a condition of utilization.

FIGS. 1, 7 and 8 have been drawn on a slightly reduced scale with respect to FIGS. 2-6.

Referenced Cited
U.S. Patent Documents
D227290 June 1973 Bond
2987598 June 1961 Chace et al.
3018355 January 1962 Wallerstein
3509628 May 1970 Carturan
4436010 March 13, 1984 Vatentine
Patent History
Patent number: D327486
Type: Grant
Filed: Oct 22, 1990
Date of Patent: Jun 30, 1992
Inventor: Masahiro Watanabe (Itabashi-ku, Tokyo)
Primary Examiner: Donald P. Walsh
Assistant Examiner: Antoine D. Davis
Law Firm: Jordan and Hamburg
Application Number: 7/602,976