US PATENT SUBCLASS 100 / 127
.~.~ Box, frame, cage, or annular wall

Current as of: June, 1999
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100 /   HD   PRESSES

104  DF  WITH DRAIN MEANS FOR EXPRESSED LIQUID {8}
126  DF  .~ Drainage through or along surface spanning pressure surfaces {1}
127.~.~ Box, frame, cage, or annular wall {2}
128  DF  .~.~.~> Assembled rings or hoops
129  DF  .~.~.~> Assembled slats or staves

DEFINITION

Classification: 100/127

(under subclass 126) Apparatus in which the material retaining surface is in the form of a box, frame, cage or

annular wall.

(1) Note. In the devices classified in this subclass the box, frame, cage, or annular wall is substantially continuous around the plunger or piston.