US PATENT SUBCLASS 405 / 241
.~.~.~.~.~ Dispensing auger

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

229  DF  FOUNDATION {2}
231  DF  .~ Columnar structure (e.g., pier, pile) {7}
232  DF  .~.~ Process or apparatus for installing {5}
233  DF  .~.~.~ Casting in situ hardenable fluent material {7}
240  DF  .~.~.~.~ Dispensing fluent material while withdrawing dispenser {2}
241.~.~.~.~.~ Dispensing auger

DEFINITION

Classification: 405/241

Dispensing auger:

(under subclass 240) Method or apparatus wherein the dispenser includes a helical rib along the length thereof for removing earthen material to form a pile cavity when the dispenser is rotated.