US PATENT SUBCLASS 440 / 97
.~.~ Foldable or retractable to nonpropelling position

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

95  DF  FLEXIBLE ENDLESS PROPELLING MEANS {1}
96  DF  .~ With paddle {1}
97.~.~ Foldable or retractable to nonpropelling position

DEFINITION

Classification: 440/97

Foldable or retractable to nonpropelling position:

(under subclass 96) Device wherein the paddles are capable of being bent back upon or withdrawn into the endless member during the nonpropelling portion of the cycle.