US D234686 S
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United States Patent 234,686
Patented Apr. 1, 1975 HELICOPTER Charles M. Seibel, 916 Live Oak Lane, Arlington, Tex. 76010 Filed Mar. 26, 1973, Ser. No. 343,623
Term of patent 14 years Int. Cl. D12-07 U.S. Cl. D12--73 FIG. 1 is a top view of the helicopter; References Cited FIG 2 is a side view of the helicopter;
FIG. 3 is a front view of the helicopter; UNITED STATES PATENTS FIG. 4 is another side view of the helicopter; 223128 3/1972 Ulisnik et D 12*73 FIG. 5 is a bottom view of the helicopter; and 2,755,038 7/ 1956 Gluharefi' F19. 6 is an end view of the helicopter. OTHER REFERENCES c aim: The ornamental design for a helicopter, as shown. Ben Hellcopter Huey Cobra catalog rec d May 1966, p. 11, helicopter in three views on page.
The -1970 Aerospace Year Book, 48th ed., recd Jan. 8, 1971, p. R-75, AH-56A Cheyenne Compound Helicopter at top right of page.
ALAN P. DOUGLAS, Primary Examiner