USD157323S - Barnett helicopter - Google Patents

Description

Feb. 21, 1950 c. A. BARNETT 157,323

HELICOPTER 3 Sheecs-Sheet 1 Filed Aug. 10, 1948 INVENTOR. C11 arles Arthur Barn ett PATENT ATTORNEY.

Feb. 21, 1950 c. A. BARNETT 157,323

HELICOPTER 3 Sheets-Sheet 2 Filed Aug. 10, 1948 INVENTOR. Charles Arthur Barnett PATENT ATTORNEY.

Feb. 21, 1950 c. A. BARNETT 157,323

HELICOPTER Filed Aug. 10, 1948 3 Sheets-Sheet 5 INVENTOR. Cha es Arthur Barnett PATENT ATTORNEY.

Patented Feb. 21, 1950 D 157,323

UNITED STATES PATENT OFFICE HELICOPTER Charles Arthur Barnett, West Chester, Pa., assignor to Kellett Aircraft Corporation, a. corporation of Delaware Application August 10, 1948, Serial No. 148,015

Term of patent 14 years To all whom it may concern: Fig. 4 is a rear elevational view thereof.

Be it known that I, Charles Arthur Barnett, a I claim: citizen of the United States of America, residing The ornamental design for a helicopter, subin the city of -West Chester, in the county of stantially as shown. Chester and State of Pennsylvania, have invented CHARLES ARTHUR BARNETT. a new, original, and ornamental Design for a Helicopter, of which the following is a speeifica- NC S CITED tion, reference being bad to the accompanying The fonowin r f drawings, formingapart thereof. file of this pain; erences are of record in the Fig. 1 is a front perspective view of the helicopter embodying the new design, portions of the FOREIGN PATENTS propeller blades being broken away for conven- Number Country Date ience of illustration; 111,231 Australia Aug. 22, 1940 Fig. 2 is a top plan view; Fig. 3 is a. front elevational view; and

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