US PATENT SUBCLASS 187 / 273
.~.~ Pneumatic (e.g., steam)
Current as of:
June, 1999
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187 /
HD
ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE
250
DF
HAVING SPECIFIC LOAD SUPPORT DRIVE-MEANS OR ITS CONTROL
{6}
272
DF
.~ Includes fluid supporting ram in drive-means {3}
273
.~.~ Pneumatic (e.g., steam)
DEFINITION
Classification: 187/273
Pneumatic (e.g., steam):
(under subclass 272) Drive-means* wherein the fluid utilized to power the mechanism is a gas.