US PATENT SUBCLASS 475 / 221
.~ Differential or nondifferential planetary combined with differential (e.g., two differentials)

Current as of: June, 1999
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475 /   HD   PLANETARY GEAR TRANSMISSION SYSTEMS OR COMPONENTS

220  DF  DIFFERENTIAL PLANETARY GEARING {8}
221.~ Differential or nondifferential planetary combined with differential (e.g., two differentials)

DEFINITION

Classification: 475/221

Differential or nondifferential planetary combined with differential (e.g., two differentials):

(under subclass 220) Subject matter which includes at least two differential transmissions* or which includes a differential transmission* and another planetary gear transmission.

SEE OR SEARCH THIS CLASS, SUBCLASS:

198+, for a variable speed or direction transmission combined with a differential.

SEE OR SEARCH CLASS

180, Motor Vehicles,

233+, for four wheel drive vehicles which may include plural differentials.