US PATENT SUBCLASS 91 / 500
.~.~ Plural angularly disposed cylinder banks

Current as of: June, 1999
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91 /   HD   MOTORS: EXPANSIBLE CHAMBER TYPE

472  DF  THREE OR MORE CYLINDERS ARRANGED IN PARALLEL RADIAL OR CONICAL RELATIONSHIP WITH ROTARY TRANSMISSION AXIS {10}
499  DF  .~ Cylinders parallel to rotation axis {6}
500.~.~ Plural angularly disposed cylinder banks

DEFINITION

Classification: 91/500

(under subclass 499) Apparatus in which said plural parallel cylinders are angularly disposed relative to a second set of plural cylinders having parallel longitudinal axes.