Boring or penetrating the earth – Above-ground means for relatively moving below-ground tool...
Reexamination Certificate
2005-12-06
2005-12-06
Bagnell, David (Department: 3672)
Boring or penetrating the earth
Above-ground means for relatively moving below-ground tool...
C175S203000, C173S184000, C173S028000, C166S077200
Reexamination Certificate
active
06971457
ABSTRACT:
Apparatus for boring a hole from an inside of a casing outwardly at an angle relative to a longitudinal axis of the casing comprises a drill shoe having a longitudinal axis and being positionable in the casing, the shoe having first and second passageways which converge into a third passageway exiting the shoe, a torsional load transmitting element and a cutting element connecting to one end of the torsional load transmitting element, the torsional load transmitting element and cutting element being positioned in the first passageway during non-use and in the third passageway during use, and a fluid conduit and a nozzle connected to one end of the fluid conduit, the fluid conduit and nozzle being positioned in the second passageway during non-use and in the third passageway during use.
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Bagnell David
Batesville Services, Inc.
Bomar Shane
Wood Herron & Evans L.L.P.
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