|Publication number||USD187895 S|
|Publication date||May 10, 1960|
|Filing date||Feb 2, 1959|
|Publication number||US D187895 S, US D187895S, US-S-D187895, USD187895 S, USD187895S|
|Inventors||Leon L. Douglas|
|Original Assignee||Vertol Aircraft Corporation|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (12)|
|External Links: USPTO, USPTO Assignment, Espacenet|
Des. 187,895 Patented May 10, 1960 United States Patent 'ce ROTARY WING AIRCRAFT Leon L. Douglas, Aircraft Corpo Wynnewood, Pa., assignor to Vertol ration, Morton, Pa., 21 corporation of Pennsylvania Application February 2, 1959, Serial No. 54,426
Term of patent 14 years Figure l is a top plan view of a rotary wing aircraft showing my new design with one stabilizer wing broken away for convenience of illustration only.
Figure 2 is a side elevational view.
Figure 3 is a front elevational view.
Figure 4 is a rear elevational view.
Figure 5 is a front perspective view.
Figure 6 is a rear perspective view, with the rear loading ramp down. 1
The conventional rotor blades are shown broken away at various points in their lengths in the several views for convenience of illustration only.
The ornamental design for a rotary wing aircraft, substantially as shown and described.
PAGE 3 References Cited in the file of this patent UNITED STATES PATENTS D. 181,643
OTHER REFERENCES Graham Dec. 10, 1957
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