Rock bolt support plate

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Description

FIG. 1 is a perspective view of a rock bolt support plate.

FIG. 2 is a plan view thereof.

FIG. 3 is an inverted plan thereof.

FIG. 4 is a front view, the rear view being identical thereof; and,

FIG. 5 is a left side view, the right side view being identical thereof.

Claims

The ornamental design for a rock bolt support plate, as shown and described.

Referenced Cited
U.S. Patent Documents
2854824 October 1958 Curry et al.
D236428 August 1975 Stewart et al.
4498815 February 12, 1985 Dye
D288778 March 17, 1987 Giannuzzi
D301687 June 20, 1989 Cassidy et al.
5102275 April 7, 1992 Hulsey
5851089 December 22, 1998 Beretta
Patent History
Patent number: D470041
Type: Grant
Filed: Sep 5, 2001
Date of Patent: Feb 11, 2003
Assignee: Industrial Roll Formers Pty Limited (Smithfield)
Inventor: Jeffrey Robert Fergusson (Glenorie)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Clare E. Heflin
Attorney, Agent or Law Firm: Altera Law Group, LLC
Application Number: 29/147,768
Classifications
Current U.S. Class: D8/399
International Classification: 0808;