US PATENT SUBCLASS 405 / 214
.~.~.~ Having coil spring

Current as of: June, 1999
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405 /   HD   HYDRAULIC AND EARTH ENGINEERING

195.1  DF  MARINE STRUCTURE OR FABRICATION THEREOF {11}
211  DF  .~ Structure protection {3}
212  DF  .~.~ Fender {3}
214.~.~.~ Having coil spring

DEFINITION

Classification: 405/214

Having coil spring:

(under subclass 212) Method or apparatus wherein a helix of resilient material is provided to dampen vessel impact.