Ladder climbing demonstration exhibit

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Description

FIG. 1 is a perspective view of a ladder climbing demonstration exhibit showing our design;

FIG. 2 is a side perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is an end view thereof;

FIG. 5 is a perspective view of an alternate second embodiment of the ladder climbing demonstration exhibit showing our design;

FIG. 6 is a side perspective view of the alternate second embodiment of the the ladder climbing demonstration exhibit, the opposite side view being a mirror image thereof;

FIG. 7 is a top view of an alternate second embodiment of the ladder climbing demonstration exhibit; and,

FIG. 8 is an end view of an alternate second embodiment of the ladder climbing demonstration exhibit.

Claims

The ornamental design for a ladder climbing demonstration exhibit, as shown and described.

Referenced Cited
U.S. Patent Documents
D220673 May 1971 Holbrook
D238607 January 1976 Gannon
D290044 May 26, 1987 Daly
D293475 December 29, 1987 Daly
D312314 November 20, 1990 Harris
5131197 July 21, 1992 Varga
5134820 August 4, 1992 Liu
D478999 August 26, 2003 Jobs et al.
D479338 September 2, 2003 Hennessy et al.
D486587 February 10, 2004 Yamaoka
D507661 July 19, 2005 Treadwell
Patent History
Patent number: D619653
Type: Grant
Filed: Apr 16, 2009
Date of Patent: Jul 13, 2010
Assignee: Gore Enterprise Holdings, Inc. (Newark, DE)
Inventors: Charles M. Willard (Mocksville, NC), William F. Candy (Middletown, DE)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Michael A Pratt
Attorney: Carol A. Lewis White
Application Number: 29/335,476
Classifications