USD191929S - Helicopter - Google Patents

Description

Des. 191,929 Patented Dec. 12, 1961 United States Patent 0 lee HELICOPTER Drago K. Jovanovich, 357 24th St., Santa Monica, Calif.

Filed Apr. 15, 1960, Ser. No. 60,212

Term of patent 14 years (Cl. D71--1) FIG. 1 is a perspective view of a helicopter embodying References Cited in the file of this patent my new design;

UNITED STATES PATENTS FIG. 2 is a side elevational view of the FIG. 1 helicopter; and

2,826,434 Echols Mar. ll, I958 FIG. 3 is a top plan view of the FIG. 1 helicopter. OTHER REFERENCES l if of the design reslde m the por- Piasecki Helicopter Corp. leaflet, received November nonss Ownm u 30, I951, helicopter frame illustrated near top right of page 1.

I claim:

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

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