US PATENT SUBCLASS 405 / 295
.~.~.~.~.~ Cantilevered

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}
288  DF  .~.~ Roof support {5}
290  DF  .~.~.~ Jack {1}
291  DF  .~.~.~.~ Mobile {8}
295.~.~.~.~.~ Cantilevered

DEFINITION

Classification: 405/295

Cantilevered:

(under subclass 291) Method or apparatus wherein a connecting member is pivotally attached at one end to a roof supporting section of the prop and at the other end to the base of the prop and a force is applied to the connecting member to move the roof supporting section to its operative position.