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Description

FIG. 1 is an end elevation,

FIG. 2 is a side elevation, and

FIGS. 3 and 4 are perspective views from opposite ends.

Referenced Cited
U.S. Patent Documents
3290842 December 1966 Aberg
3623289 November 1971 Lowery
3673753 July 1972 Anderson
3694988 October 1972 Skold
Foreign Patent Documents
2616340 March 1977 DEX
Patent History
Patent number: D253090
Type: Grant
Filed: Apr 7, 1977
Date of Patent: Oct 9, 1979
Assignee: Rapid Metal Developments Pty. Ltd.
Inventor: Aubrey N. Sharley (Seaview Downs)
Primary Examiner: A. Hugo Word
Attorney: James B. Kinzer
Application Number: 5/785,866
Classifications
Current U.S. Class: D/8354; D/8356; D/8384
International Classification: D0808;