US PATENT SUBCLASS 405 / 259.1
.~ Rock or earth bolt or anchor

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

258  DF  EARTH TREATMENT OR CONTROL {5}
259.1.~ Rock or earth bolt or anchor {5}
259.2  DF  .~.~> Frangible bolt
259.3  DF  .~.~> Expandable tube
259.4  DF  .~.~> Bolt having wedge expander
259.5  DF  .~.~> With settable material feature {1}
262  DF  .~.~> With retaining wall

DEFINITION

Classification: 405/259.1

Rock or earth bolt or anchor:

(under subclass 258) Method or apparatus wherein a rodlike tension member penetrates the earth to either tie plural layers together and create compression stress within them, or secure a treating or control structure to the earth, or a method or apparatus for installing a rodlike member which resists withdrawal from the earth, and which includes a step or means for treating the earth (e.g., grouting).

SEE OR SEARCH THIS CLASS, SUBCLASS:

232+, for a method or apparatus for installing an elongated foundation member, e.g., pile, post, etc., adapted to support a superstructure thereon.

259.5+, for rock or earth bolt or anchor with grouting feature.

288+, 302.1, 302.2, and 302.3, for method or means to support a subterranean roof.

SEE OR SEARCH CLASS

52, Static Structures (e.g., Buildings),

155+, for an expanding or piercing earth anchor, per se; subclasses 127.1+ for manually operated anchor positioning implement; or subclasses 741.11+ for a method of driving or positioning an earth anchor. 173, Tool Driving or Impacting, appropriate subclasses for power-driven apparatus for driving a member, which may be an anchor, into the earth.

411, Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener, appropriate subclasses for miscellaneous threaded bolts of general utility. See

15, of Class 411 for the line between these classes.