USD152161S - Knack rotary winged aircraft - Google Patents

Description

Des. 152,161

Dec. 21, 1948. KNACK 110mm WINGED AIRCRAFT 2 Sheejts-Sheet 1 Filed May 25, 1946 mvsufoa /M g ATT anavs Dec. 21, 1948. F. J. KNACK ROTARY WING'ED AIRCRAFT Des. 152,161v

2 Sheets-Sheet 2 Filed May 25, 1946 I lN-V/E w TOR ORNEYS v Batented Dec. 21, 1948 UNITED STATES PATENT OFFICE DESIGN FOR A ROTARY WIN GED AIRCRAFT Frederick J. Knack, New York, N. Y., assignor to Autogiro Company of America, Philadelphia, Pa., a corporation of Delaware To all whom it may concern:

Be it known that I, Frederick J. Knack, a citizen of the United States, residing at 828 Cranford Ave, N. Y. city, in the county of Bronx and State of New York, have invented a new, original, and ornamental Design for Rotary Winged Aircraft, of which the following is a specification, reference being had to the accompanying drawings, forming a part thereof.

Figure 1 is a side elevational view of the rotary winged aircraft showing my new design.

Figure 2 is a front elevational view of the craft shown in Figure 1.

Figure 3 is a top plan View of the craft shown in Figure 1.

Figure 4 is a rear elevational view of the craft shown in Figure l.

The characteristic features of my design reside in the portions shown by means of full lines in the drawing.

I claim:

The ornamental design for a rotary winged aircraft, as shown and described.

FREDERICK J. KNACK.

REFERENCES CITED The following references are of record in the file of this patent:

Flying and Popular Aviation, April 1941, p. 30.

Skyways, May 1945, p. 46.

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