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
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