Ducted fan aircraft

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Description

FIG. 1 is a perspective view of a ducted fan aircraft showing my new design;

FIG. 2 is a plan view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a rear elevational view.

Referenced Cited
U.S. Patent Documents
D188359 July 1960 Le Bel
D216842 March 1970 Bertelsen
D220293 March 1971 Patrieny
3082977 March 1963 Arlin
3481559 December 1969 Apostolescu
Patent History
Patent number: D243837
Type: Grant
Filed: Mar 25, 1976
Date of Patent: Mar 29, 1977
Inventor: James T. Adams (King of Prussia, PA)
Primary Examiner: Alan P. Douglas
Attorney: Henry N. Paul, Jr.
Application Number: 5/670,144
Classifications
Current U.S. Class: D12/79
International Classification: D1207;