Design for a helicopter
US D149130 S
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Description (OCR text may contain errors)
March 30, .1948. E. F. KATVZENBERGER ET Al. 149,130
HELICOPTER Filed Sept. 24, 1946 E. F. KATZENBERGER M. E. GLUHAREFF INVENTORS ATTORNEY Patented Mar. 30, 1948 UNITED STATES Des. 149,130
PATENT OFFICE DESIGN FOR A HELICOPTER Edward F. Katzenberger and Michael E. Gluharefi, Bridgeport, Conm, assignors to United Aircraft Corporation, East Hartford, Conn, a
corporation of Delaware To all whom it may concern:
Be it known that we, Edward F. Katzenberger, a citizen of the United States, residing at 10 Washington Avenue, Bridgeport, in the county of Fairfield and State of Connecticut, and Michael E. Gluhareff, a citizen of the United States, residing at 5'79 Clinton Avenue, Bridgeport, in the county of Fairfield and State of Connecticut, have invented a new, original, and ornamental Design for Helicopter, of which the following is a specification, reference being had to the accompanyme drawing, forming a part thereof.
Fig. 1 is a top plan view of a helicopter, showing our new design.
Fig. 2 is a side elevational View.
Fig. 3 is a front elevational view.
Fig. 4 is a perspective view.
Certain of the rotor blades have been shown only partially because they are identical to those blades shown in full.
The ornamental design for a helicopter, substantially as shown.
. EDWARD F. KATZENBERGER.
MICHAEL E. GLUI-IAREFF.
REFERENCES CITED The following references are of record in the file of this patent:
Flight, Dec. 16, 1943, p. 664.
Canadian Aviation, Oct. 1947,.p, 48.