US PATENT SUBCLASS 235 / 478
.~.~ Pneumatic feed
Current as of: June, 1999
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DEFINITION
Classification: 235/478
Pneumatic feed:
(under subclass 475) Subject matter wherein the record is transported under the control of a suction force that maintains the record in contact with a motive means, or the record is inserted into an evacuated space causing the record to move in the desired direction.
SEE OR SEARCH CLASS
271, Sheet Feeding or Delivering,
4.01+, and 11+ for pneumatic separators, subclasses 90+ for pneumatic feeding devices, and subclasses 194+ for pneumatic conveyors.
406, Conveyors: Fluid Current, appropriate subclasses for particular devices to pneumatically move articles.
