US PATENT SUBCLASS 451 / 3
.~.~ Cyclic control

Current as of: June, 1999
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451 /   HD   ABRADING

1  DF  PRECISION DEVICE OR PROCESS - OR WITH CONDITION RESPONSIVE CONTROL {7}
2  DF  .~ Condition responsive control for sandblasting {1}
3.~.~ Cyclic control

DEFINITION

Classification: 451/3

Cyclic control:

(under subclass 2) Subject matter including use of means having the capacity to program or regulate a sequence of operations and capable of programming or regulating this sequence of operations so that once the means is initiated, no manual intervention is required for the machine to perform the sequence of operations.