Gypsum wallboard cutter
Description
FIG. 1 is a top, right perspective view of the gypsum wallboard cutter showing my new design;
FIG. 2 is a front perspective view thereof;
FIG. 3 is a rear, left perspective view thereof; and
FIG. 4 is a bottom perspective view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
D78518 | May 1929 | Herman |
D258488 | March 10, 1981 | Juziuk |
2878550 | March 1959 | Schlueter |
3453917 | July 1969 | Perry |
3812748 | May 1974 | Nausbaum |
71083 | June 1978 | FIX |
2047601 | April 1980 | GBX |
- Gyproc Catalog, Mar. 1, 1984, p. 13 and cover page.
Patent History
Patent number: D311674
Type: Grant
Filed: Apr 16, 1987
Date of Patent: Oct 30, 1990
Assignee: AB Gyproc (Malmo)
Inventor: Magnus Lofgren (Stockholm)
Primary Examiner: Carmen H. Vales-Lado
Law Firm: Saidman, Sterne, Kessler & Goldstein
Application Number: 7/38,922
Type: Grant
Filed: Apr 16, 1987
Date of Patent: Oct 30, 1990
Assignee: AB Gyproc (Malmo)
Inventor: Magnus Lofgren (Stockholm)
Primary Examiner: Carmen H. Vales-Lado
Law Firm: Saidman, Sterne, Kessler & Goldstein
Application Number: 7/38,922
Classifications
Current U.S. Class:
D 8/98