Class Information
Number: 175/24
Name: Boring or penetrating the earth > Automatic control
Description: Process or apparatus comprising the steps or means for (1) sensing a condition of operation which may or may not occur and (2) controlling a power operated means in response to said sensed condition (without assistance from an intelligent operator) to initiate, modify, or terminate the operation.
Sub-classes under this class:
Patents under this class:
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