US PATENT SUBCLASS 114 / 141
.~ Vertical adjustment

Current as of: June, 1999
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114 /   HD   SHIPS

140  DF  KEELS {3}
141.~ Vertical adjustment

DEFINITION

Classification: 114/141

Keel structures which are adapted to be moved vertically as a whole and which extend from bow to stern and not merely centerboards.

SEE OR SEARCH THIS CLASS, SUBCLASS:

130, 131, 138, and 139, for centerboards.