US PATENT SUBCLASS 452 / 20
.~.~ By fluid pressure

Current as of: June, 1999
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12  DF  MOLLUSK (E.G., OYSTER, CLAM, SQUID, MUSSEL, OCTOPUS, SNAIL, SLUG, SCALLOP) {2}
18  DF  .~ Eviscerating {2}
20.~.~ By fluid pressure

DEFINITION

Classification: 452/20

By fluid pressure:

(under subclass 18) Subject matter wherein the viscera is extracted from the mollusk by applying a vacuum, or an air or liquid stream against either the viscera or the edible material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

8, for pressure differential type separation of the meat from the shell in a crustacean.

15, for a pressure differential type bivalve opener.