Telescopic mast

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Description

FIG. 1 is a side view of a telescopic mast showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof; and,

FIG. 4 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D30959 June 1899 Brooks
1115588 November 1914 Scott et al.
1418775 June 1922 Brown
1572669 February 1926 Muller
1901726 March 1933 Bonnet
3495370 February 1970 Habro et al.
3546831 December 1970 Romo et al.
3708937 January 1973 Sterner
3775924 December 1973 McClure, Jr.
4168008 September 18, 1979 Granryd
4309854 January 12, 1982 Vendramini
4357785 November 9, 1982 Eklund
4606525 August 19, 1986 Lombardi
5101215 March 31, 1992 Creaser, Jr.
Patent History
Patent number: D392397
Type: Grant
Filed: Jul 6, 1990
Date of Patent: Mar 17, 1998
Inventor: Manuel M. Werber (N. Caldwell, NJ)
Primary Examiner: Doris Clark
Application Number: 7/530,725
Classifications
Current U.S. Class: Post Or Beam (D25/126)
International Classification: 2501;