Ground inserted helical staff support

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Description

FIG. 1 is a front elevational view of a ground inserted helical staff support showing my new design;

FIG. 2 is a right side elevational view, the left side being a mirror image thereof; and,

FIG. 3 is a side elevational view in position of use, the broken line showing of an umbrella and ground are for illustrative purposes only.

Referenced Cited
U.S. Patent Documents
2168830 August 1939 Schroth
2653688 September 1953 Gordon
3586274 June 1971 Hart
3743289 July 1973 Golomb
4832338 May 23, 1989 Magazzi
5098057 March 24, 1992 Gran et al.
Foreign Patent Documents
28789 December 1909 GBX
Patent History
Patent number: D363616
Type: Grant
Filed: Dec 13, 1993
Date of Patent: Oct 31, 1995
Inventor: Andrew J. Allen (Cardiff, CA)
Primary Examiner: Carmen H. Vales-Lado
Attorney: Lewis E. Massie
Application Number: 0/16,271
Classifications
Current U.S. Class: D/6417