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
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
Classifications
Current U.S. Class:
Sawing (includes Element) (D15/133);
Cutting Tool, E.g., Drill Bit, Etc. (D15/139)