US PATENT SUBCLASS 440 / 30
.~.~.~ Chain and sprocket

Current as of: June, 1999
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440 /   HD   MARINE PROPULSION

21  DF  OPERATOR POWERED DRIVE FOR PROPELLING MEANS {6}
26  DF  .~ Rotary cranking arm {4}
29  DF  .~.~ Having endless drive member {1}
30.~.~.~ Chain and sprocket

DEFINITION

Classification: 440/30

Chain and sprocket:

(under subclass 29) Device wherein the continuous band is a chain and the wheellike guides are toothed wheels.