US PATENT SUBCLASS 405 / 158
.~ Submerging, raising, or manipulating line of pipe or cable in or from marine environment

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

154  DF  PIPE OR CABLE LAYING, RETRIEVING, OR UNDERWATER MANIPULATION {6}
158.~ Submerging, raising, or manipulating line of pipe or cable in or from marine environment {7}
159  DF  .~.~> Entrenched or buried {3}
166  DF  .~.~> Facilitated by extension from line-laying vessel {1}
168.1  DF  .~.~> With causing or controlling the deformation of a line {3}
169  DF  .~.~> With assembling of line structure {1}
171  DF  .~.~> By control of buoyancy
172  DF  .~.~> With anchoring of line
173  DF  .~.~> With raising of line from marine floor

DEFINITION

Classification: 405/158

Submerging, raising, or manipulating line of pipe or cable in or from marine environment:

(under subclass 154) Method or apparatus wherein the string or conduit is placed or manipulated beneath the surface of a body of water or retrieved therefrom.