Grinding machine

Description

FIG. 1 is a front elevational view of a grinding machine showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a top perspective view thereof.

Referenced Cited
U.S. Patent Documents
D251772 May 8, 1979 Ernst et al.
D280202 August 20, 1985 Aldridge, Jr.
D285929 September 30, 1986 Cheng
3256647 June 1966 Mutton
4209950 July 1, 1980 Sielemann
4388780 June 21, 1983 Rees
4768309 September 6, 1988 Miller
Patent History
Patent number: D328604
Type: Grant
Filed: Jun 20, 1990
Date of Patent: Aug 11, 1992
Inventor: Mu-Yen Chien (Taichung)
Primary Examiner: Susan J. Lucas
Assistant Examiner: M. H. Tung
Law Firm: Bacon & Thomas
Application Number: 7/540,810
Classifications
Current U.S. Class: Abrading (D15/124)