Sheetrock utility knife

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Description

FIG. 1 is a bottom, rear and left side perspective view of a sheetrock utility knife showing my new design with a razor blade in an extended blade position and a saw in an extended saw position;

FIG. 2 is a bottom, rear and right side perspective view thereof, with the razor blade in a retracted blade position and the saw in a folded saw position;

FIG. 3 is a left side elevational view thereof, showing the razor blade in a retracted blade position and the saw in a folded saw position;

FIG. 4 is a left side elevational view thereof, showing the razor blade in the extended blade position and the saw in a fully extended saw position;

FIG. 5 is a right side elevational view thereof, showing the razor blade in the extended blade position and the saw in the retracted saw position;

FIG. 6 is a front elevational view of my design as shown in FIG. 3;

FIG. 7 is a rear elevational view of my design as shown in FIG. 3;

FIG. 8 is a top plan view thereof; and,

FIG. 9 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D299413 January 17, 1989 DeCarolis
D305096 December 19, 1989 Tench et al.
D307702 May 8, 1990 Hsu
D311124 October 9, 1990 Learney
D357166 April 11, 1995 Concari
4890387 January 2, 1990 Canino
4930218 June 5, 1990 Jacoff
Patent History
Patent number: D386381
Type: Grant
Filed: Feb 26, 1996
Date of Patent: Nov 18, 1997
Inventors: Joseph D. Black (Staten Island, NY), Harold C. McNamara (Staten Island, NY)
Primary Examiner: Philip S. Hyder
Attorney: John D. Gugliotta
Application Number: 0/50,720
Classifications
Current U.S. Class: D 8/99; D8/95
International Classification: 0803;