(under subclass 5) Subject matter, utilizing a boring means mounted on a structure at or above the surface of the body of water and which structure is so constructed or anchored by means of fixed rigid supports (e.g., piles) as to be nonbuoyant or unaffected by the normal wave or tide action of the body of water.
(1) Note. A guide frame or casing for the tool or tool shaft which engages the formation is excluded unless the frame or casing prevents movement of the supporting structure for the boring means.
SEE OR SEARCH CLASS
405, Hydraulic and Earth Engineering,
195.1+, for marine floor supported structures. Class 175 takes a structure adapted to support an earth boring device in a body of water where some details of the boring device is claimed. Nominal recitation of a drilling rig, provision for drilling a mere foundation for a support, details of a derrick or draw works, or mere access spaces communicating with the surface of the water which could be used equally well in a pile driving organization have not been considered to involve specialized drilling features and are classified in Class 405.
