USD154871S - Nelson helicopter - Google Patents

Description

Aug. 16, 1949. A, W, NELSON Des. 154,871

HELICOPTER 2 Sheets-Sheet l Filed Aug. 22, 1947 Aug- 16, 1949- A. w. NELSON Des. 154,871

HELICOPTER Filed Aug. 22., 1947 2 Sheets-Sheet 2 Patented Aug. 16, 1949 Des. 154,871

UNITED STATES PATENT OFFICE DESIGN FOR A HELICOPTER Arthur W. Nelson, Niagara Falls, N. Y., assignor to Bell Aircraft Corporation, Wheateld, N. Y.

To all whom it may concern:

Be it known that I, Arthur W. Nelson, citizen of the United States, residing at 962 Rankine Road, Niagara Falls, New York, have invented a new, original, and ornamental Design for Helicopter, of which the following is a specication, refer-ence being had to the accompanying drawing, forming part thereof.

Fig. 1 is a top plan of a helicopter, showing my novel design;

Fig. 2 is a side elevational View thereof; and

Fig. 3 is a front end elevational view thereof.

Fig. 4 is a side elevational view thereof on a larger scale, showing the compartment cover device in closed position; and Fig. 5 is a view similar to Fig. 4, but showing the cover device in opened position.

The characteristic features of my design reside in the portions shown by means of full lines in the drawing; and the dotted line showing of the articles on the inside of Fig. 5 are shown for REFERENCES CITED The following references are of record in the le of this patent:

UNITED STATES PATENTS Name Date De Candia Apr. 29, 1941 OTHER REFERENCES American Helicopter, June 1947, p. 24, tlg. at top of page, Bell Airmailen Number D. 126,882

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