US PATENT SUBCLASS 285 / 225
.~ Diaphragm

Current as of: June, 1999
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285 /   HD   PIPE JOINTS OR COUPLINGS

223  DF  FLEXIBLE JOINT, RIGID MEMBERS {6}
225.~ Diaphragm

DEFINITION

Classification: 285/225

(under subclass 223) Devices wherein the flexible joint comprises a plate-like member or diaphragm.

SEE OR SEARCH THIS CLASS, SUBCLASS:

57, for a flexible diaphragm in a floor supported, water closet type joint.

SEE OR SEARCH CLASS

92, Expansible Chamber Devices,

96+, for a diaphragm type expansible chamber device.