USD197036S - Helicopter - Google Patents

Description

United States Patent Ofiice Des. 197,036 Patented Dec. 3, 1963 HELICOPTER George J. Howard, Jr., Fairfield, and Donald B. MacMillan, Brookfield, C'onn., assignors to United Aircraft Corporation, East Hartford, Conn., a corporation of Delaware Filed Apr. 22, 1963, Ser. No. 74,557

Term of patent 14 years (Cl. D711) FIGJ FIG. 1 is a top plan view of a helicopter embodying our new design, with the broken line portions omitted for clarity;

FIG. 2 is a side elevational view thereof; and

FIG. 3 is a front elevational view thereof.

The dominant features of our design reside in the portions shown in full lines, with the broken line portions being broken away for convenience of illustration.

We claim: The ornamental design for a helicopter, substantially as shown and described.

References Cited in the file of this patent UNITED STATES PATENTS Sikorsky July 19, 1960 Vogt June 6, 1961

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