US PATENT SUBCLASS 405 / 273
.~.~ Cribbing


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

258  DF  EARTH TREATMENT OR CONTROL {5}
272  DF  .~ Shoring, bracing, or cave-in prevention {6}
273.~.~ Cribbing


DEFINITION

Classification: 405/273

Cribbing:

(under subclass 272) Method or apparatus wherein the structural support is an earth confining barrier comprising a number of superimposed and juxtaposed elements arranged to define voids or interstices adapted to be filled with earth or other loose material to prevent undesired movement of the barrier.

SEE OR SEARCH THIS CLASS, SUBCLASS:

33, for cribbing employed specifically as a wave or flow dissipator.