US PATENT SUBCLASS 452 / 40
.~.~ Pump type

Current as of: June, 1999
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452 /   HD   BUTCHERING

30  DF  SAUSAGE MAKING {7}
35  DF  .~ Stuffing {4}
40.~.~ Pump type {3}
41  DF  .~.~.~> Rotary piston
42  DF  .~.~.~> Reciprocating piston {1}
44  DF  .~.~.~> Screw

DEFINITION

Classification: 452/40

Pump type:

(under subclass 35) Subject matter wherein the stuffing is forced into the casing by a mechanically driven device.

SEE OR SEARCH CLASS

100, Presses,

179+, for concurrent pressing and conveying presses of the type in which a plunger forces material through a tube, not elsewhere provided for.

417, Pumps,

481+, for oscillating type pumps, per se.