US PATENT SUBCLASS 294 / 86.15
.~.~.~ Fluid pressure operator

Current as of: June, 1999
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294 /   HD   HANDLING: HAND AND HOIST-LINE IMPLEMENTS

86.4  DF  GRAPPLE {18}
86.1  DF  .~ Well type {10}
86.14  DF  .~.~ With separate grapple-setting operator {1}
86.15.~.~.~ Fluid pressure operator

DEFINITION

Classification: 294/86.15

(under subclass 86.14) Grapples wherein the separate means comprises a fluid reactive element which moves by fluid pressure to move the grappling means.