US PATENT SUBCLASS 114 / 39.29
.~ With specific means acted upon by wind to provide sailpower frame, etc.)

Current as of: June, 1999
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39.21  DF  WATERCRAFT WITH MEANS USED IN PROVIDING SAILPOWER {7}
39.29.~ With specific means acted upon by wind to provide sailpower frame, etc.) {2}
39.3  DF  .~.~> Reaction rotor-type (e.g., Magnus effect)
39.31  DF  .~.~> Having spaced sail surfaces defining airfoil

DEFINITION

Classification: 114/39.29

With specific means acted upon by wind to provide sailpower:

(under subclass 39.21) Subject matter wherein a particular structural aspect (e.g., shape, contour) of the extent of material by which the wind is used to propel the hull through the water (i.e., sail) is detailed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

102.29+, for a sail, per se.