US PATENT SUBCLASS 440 / 19
.~.~ With means to move propelling element to nonpropelling position
Current as of:
June, 1999
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440 /
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MARINE PROPULSION
13
DF
OSCILLATING PROPELLING MEANS
{3}
17
DF
.~ Having nonpropelling cycle segment {3}
19
.~.~ With means to move propelling element to nonpropelling position
DEFINITION
Classification: 440/19
With means to move propelling element to nonpropelling position:
(under subclass 17) Device wherein a means is provided to shift the propelling element from its working position to its nonworking position.