US PATENT SUBCLASS 244 / 68
.~.~ Elongated


Current as of: June, 1999
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244 /   HD   AERONAUTICS

62  DF  AIRCRAFT PROPULSION {7}
65  DF  .~ Screw {4}
68.~.~ Elongated


DEFINITION

Classification: 244/68

(under subclass 65) Arrangement of aircraft screw propellers of the long helix type, in which the blades extend for substantially a full pitch length or more along the hub members.

SEE OR SEARCH THIS CLASS, SUBCLASS:

67, for propellers of the type in this subclass (68) arranged to rotate about the external periphery of some aircraft body.

73, for propellers of the type in this subclass (68) arranged in tubes for fluid propulsion.