US PATENT SUBCLASS 175 / 5
BORING A SUBMERGED FORMATION

Current as of: June, 1999
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175 /   HD   BORING OR PENETRATING THE EARTH

5BORING A SUBMERGED FORMATION {5}
6  DF  .~> Boring with underwater tool drive prime mover
7  DF  .~> Boring from floating support with submerged independent anchored guide base
8  DF  .~> Boring from submerged buoyant support
9  DF  .~> Boring from nonbuoyant support
10  DF  .~> Boring with submersible vertically movable guide

DEFINITION

Classification: 175/5

(under the class definition) Process or apparatus comprising a step or means for sinking a well, shaft or deep boring in the surface of the earth lying below a body of water, (e.g., ocean, lake or river).

(1) Note. Included under this definition are patents in which the sole specific disclosure or a claim is directed to subject matter for boring in strata located below a body of water. Excluded from this subclass are subcombinations of a boring apparatus such as a tool, disclosed as being part of an underwater drilling apparatus, but which has no structure specially adapting the tool to under water boring. Such structure is classified in the appropriate subclasses below.

SEE OR SEARCH CLASS

37, Excavating,

307, for dredges for excavating below a body of water.

114, Ships, appropriate subclasses for floating supports, per se. Class 175 takes patents relating to a floating support for an earth boring apparatus where some element of the earth boring apparatus is claimed. Nominal recitation of a drill

rig, or details of a derrick or draw works have not been considered to involve specialized drilling features and are classified in Class 114. 166, Wells,

300+, for a process or apparatus relating to forming or producing a well which is located in the earth's surface below a body of water.

405, Hydraulic and Earth Engineering,

158+, for a process of apparatus for laying a pipe or cable into a submerged location.