Grinding cup

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Description

FIG. 1 is a front isometric view of the invention taken from the exterior top thereof; and,

FIG. 2 is an isometric view of the invention taken from the bottom thereof.

Referenced Cited
U.S. Patent Documents
D297803 September 27, 1988 Rooney
D317393 June 11, 1991 Nishiki
D328696 August 18, 1992 Acheson
D337889 August 3, 1993 Benson
4300522 November 17, 1981 Henry et al.
5259148 November 9, 1993 Wiand
Patent History
Patent number: D350887
Type: Grant
Filed: Jun 8, 1993
Date of Patent: Sep 27, 1994
Assignee: C. M. E. Blasting and Mining Equipment Ltd. (Oakville)
Inventors: Robert Sjolander (Oakville), Dag Stenmark (Stenungsund)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Jeffry H. Musgrove
Attorney: J. Gibson Semmes
Application Number: 0/9,202
Classifications
Current U.S. Class: D 8/70