US PATENT SUBCLASS 244 / 70
.~ Paddle wheel

Current as of: June, 1999
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244 /   HD   AERONAUTICS

62  DF  AIRCRAFT PROPULSION {7}
70.~ Paddle wheel

DEFINITION

Classification: 244/70

(under subclass 62) The arrangement relative to aircraft and the use on aircraft of devices using the thrust developed by

rotating paddle wheels for propelling aircraft.

(1) Note. Continue the search in this class, subclasses 9, 19, 20, and 27.