Helicopter step

Description

FIG. 1 is a perspective view of the helicopter step showing our new design;

FIG. 2 is an end view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and

FIG. 6 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D169635 May 1953 Richards
D194399 January 1963 DeMuth
D229045 November 1973 Woodall
D243854 March 29, 1977 Pelky
2991118 July 1961 Sleger
3904155 September 1975 Chavis
4020920 May 3, 1977 Abbott
Patent History
Patent number: D276603
Type: Grant
Filed: Feb 13, 1980
Date of Patent: Dec 4, 1984
Inventors: Robert B. McNab (Blountville, TN), David W. Kent (Blountville, TN), James A. Wolfe (Blountville, TN)
Primary Examiner: T. Tung
Law Firm: Jones & Askew
Application Number: 6/121,122