US PATENT SUBCLASS 446 / 36
.~ Including rotary wing (e.g., helicopter, flying propeller, autogyro, etc.)


Current as of: June, 1999
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446 /   HD   AMUSEMENT DEVICES: TOYS

34  DF  AERODYNAMICALLY SUPPORTED OR RETARDED {8}
36.~ Including rotary wing (e.g., helicopter, flying propeller, autogyro, etc.) {2}
37  DF  .~.~> And means to rotate wing {2}
45  DF  .~.~> And projector


DEFINITION

Classification: 446/36

Including rotary wing (e.g., helicopter, flying propeller, autogyro, etc.):

(under subclass 34) Device including an airfoil which revolves about an axis to develop lift to support or retard the device.

SEE OR SEARCH CLASS

244, Aeronautics,

17.11+, for a full-size rotary wing aircraft, or a reduced size aircraft where the invention applies logically to full sized ones.

473, Games Using Tangible Projectile,

569+, for an aerial projectile used for play of a game or sport, which projectile may be aerodynamically supported or retarded, particularly subclass 590 for a boomerang.