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
D78518 May 1929 Herman
D258488 March 10, 1981 Juziuk
2878550 March 1959 Schlueter
3453917 July 1969 Perry
3812748 May 1974 Nausbaum
Foreign Patent Documents
71083 June 1978 FIX
2047601 April 1980 GBX
Other references
  • 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
Classifications
Current U.S. Class: D 8/98