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

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.