USD181643S - Aircraft - Google Patents

Description

Unitod States Patent Oflfice Des. 181,643 Patented Dec. 10, 1957 AIRCRAFT Luell M. Graham, Fort Worth, Tex., assignor to Bell Aircraft Corporation, Wheaflield, N. Y.

Application June 18, 1956, Serial No. 41,961

Term of patent 14 years (Cl. D711) Des. 181,643

PAGE 4 FIG. 4

'Fig. 1 is a top perspective view of an aircraft, showing my new design;

Fig. 2 is a side elevational view thereof, the opposite side being the same in appearance as the side shown;

Fig. 3' is a top plan view of the aircraft;

Fig. 4 is a front elevational view thereof; and

Fig. 5 is a fragmentary perspective view of the rear thereof, illustrating the loading ramp in lowered position.

The dominant features of my design reside in the portions shown in full lines, with portions of the conventional propellers shown in dotted lines broken away for convenience of illustration.

References Cited in the file of this patent UNITED STATES PATENTS Larsen May 20, 1947 Piasecki Apr. 5, 1949 OTHER REFERENCES Mechanix Illustrated, October 1955, page 108, Piasecki YH-16.

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