US PATENT SUBCLASS 114 / 140
KEELS
Current as of: June, 1999
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| 114 / | HD | SHIPS |
|
| 140 |  | KEELS {3} |
| 141 | DF | .~> Vertical adjustment |
| 142 | DF | .~> Bilge |
| 143 | DF | .~> Rocking |
DEFINITION
Classification: 114/140
Keels and their structure and means and methods of securing them, whether fixed or movable.
(1) Note. Keels differ from centerboards in being longer, being usually the length of the boat, or being, when short, immovably fixed to the hull.