Grinding disc

- Sanwa Kenma, Ltd.
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Description

FIG. 1 is a front perspective view of a grinding disc showing a first embodiment of our new design;

FIG. 2 is a rear perspective thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof, the opposite side being a mirror image of the side shown herein;

FIG. 6 is a top view thereof, the opposite side being a mirror image of the side shown herein;

FIG. 7 is a front perspective view of a grinding disc showing a second embodiment of our new design;

FIG. 8 is a rear perspective thereof;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a left side view thereof, the opposite side being a mirror image of the side shown herein;

FIG. 12 is a top view thereof, the opposite side being a mirror image of the side shown herein;

FIG. 13 is a front perspective view of a grinding disc showing a third embodiment of our new design;

FIG. 14 is a rear perspective thereof;

FIG. 15 is a front view thereof;

FIG. 16 is a rear view thereof;

FIG. 17 is a left side view thereof, the opposite side being a mirror image of the side shown herein;

FIG. 18 is a top view thereof, the opposite side being a mirror image of the side shown herein;

FIG. 19 is a front perspective view of a grinding disc showing a fourth embodiment of our new design;

FIG. 20 is a rear perspective thereof;

FIG. 21 is a front view thereof;

FIG. 22 is a rear view thereof;

FIG. 23 is a left side view thereof, the opposite side being a mirror image of the side shown herein;

FIG. 24 is a top view thereof; and,

FIG. 25 is a bottom view thereof.

Claims

The ornamental design for a grinding disc, as shown and described.

Referenced Cited
U.S. Patent Documents
3517466 June 1970 Bouvier
6371842 April 16, 2002 Romero
6419574 July 16, 2002 Takahashi et al.
Foreign Patent Documents
383532 August 1974 JP
771815 October 1989 JP
771815-1 August 1990 JP
996046 November 1997 JP
Patent History
Patent number: D486839
Type: Grant
Filed: Feb 1, 2003
Date of Patent: Feb 17, 2004
Assignee: Sanwa Kenma, Ltd.
Inventors: Katsuji Sunagawa (Hirakata), Hisayuki Murata (Joyo)
Primary Examiner: Antoine Duval Davis
Attorney, Agent or Law Firms: Gerald E. Hespos, Anthony J. Casella
Application Number: 29/175,294
Classifications
Current U.S. Class: Element Or Attachment (D15/126); D8/70
International Classification: 1509;