Sheetrock cutting instrument

Description

FIG. 1 is a bottom, front and left side perspective view of a sheetrock cutting instrument showing our new design, the slidable member being shown unattached;

FIG. 2 is a left side elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a top plan view;

FIG. 5 is a bottom plan view;

FIG. 6 is a front elevational view; and,

FIG. 7 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D253045 October 2, 1979 Rizer
D276706 December 11, 1984 Jenness
D314712 February 19, 1991 Kunz
1231120 June 1917 Brasseur
2058091 October 1936 Marsella et al.
2104515 January 1938 Golden
3439426 April 1969 Wilson
3678588 July 1972 Isola
4285135 August 25, 1981 Minozzi
4607434 August 26, 1986 Francis
4825559 May 2, 1989 Santos
Patent History
Patent number: D334540
Type: Grant
Filed: Mar 12, 1991
Date of Patent: Apr 6, 1993
Inventors: Christopher Amann (Ronkonkoma, NY), Grace Amann (Ronkonkoma, NY)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Attorney: Terry M. Gernstein
Application Number: 7/668,429
Classifications