Retractable blade utility knife
Description
FIG. 1 is a front elevational view of a retractable blade utility knife showing my new design therefor;
FIG. 2 is a front elevational view thereof, shown with the hooked blade in an extended position;
FIG. 3 is a front elevational view thereof, shown with the straight blade in an extended position;
FIG. 4 is a perspective view of FIG. 3;
FIG. 5 is a top plan view of FIG. 3;
FIG. 6 is another front elevational view thereof; wherein the rear view is a mirror image thereof;
FIG. 7 is a bottom plan view of FIG. 6;
FIG. 8 is a left side elevational view of FIG. 6; and,
FIG. 9 is a right side elevational view of FIG. 6.
Referenced Cited
U.S. Patent Documents
D249325 | September 12, 1978 | Rollband |
D259697 | June 30, 1981 | Brizzolara, Jr. |
D296297 | June 21, 1988 | Weimann et al. |
D310474 | September 11, 1990 | Bartsch et al. |
D319378 | August 27, 1991 | Wilcox |
3888002 | June 1975 | Graham |
4227306 | October 14, 1980 | Meshulam |
4578865 | April 1, 1986 | Keller |
4663845 | May 12, 1987 | Weimann |
4835865 | June 6, 1989 | Knoop |
4953293 | September 4, 1990 | Sterlacci |
4974320 | December 4, 1990 | Pelletier |
Patent History
Patent number: D355345
Type: Grant
Filed: Nov 29, 1993
Date of Patent: Feb 14, 1995
Inventor: Norbert F. Drust (Bronson, MI)
Primary Examiner: Theodore M. Shooman
Assistant Examiner: Philip Hyder
Attorney: David L. Baker
Application Number: 0/15,746
Type: Grant
Filed: Nov 29, 1993
Date of Patent: Feb 14, 1995
Inventor: Norbert F. Drust (Bronson, MI)
Primary Examiner: Theodore M. Shooman
Assistant Examiner: Philip Hyder
Attorney: David L. Baker
Application Number: 0/15,746
Classifications
Current U.S. Class:
D 8/99