US PATENT SUBCLASS 144 / 429
.~.~.~ By sensing hydraulic pressure
Current as of:
June, 1999
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144 /
HD
WOODWORKING
382
DF
WITH USE OF CONTROL MEANS ENERGIZED IN RESPONSE TO ACTIVATOR STIMULATED BY CONDITION SENSOR
{6}
420
DF
.~ Sensing tool or tool-linked part {5}
428
DF
.~.~ Sensing force on tool {1}
429
.~.~.~ By sensing hydraulic pressure
DEFINITION
Classification: 144/429
By sensing hydraulic pressure:
(under subclass 428) Subject matter including detecting the pressure on the tool by a detector responsive to liquid head.