US PATENT SUBCLASS 128 / 865
.~.~.~ Inflatable or expandable

Current as of: June, 1999
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128 /   HD   SURGERY

846  DF  BODY PROTECTING OR RESTRAINING DEVICES FOR PATIENTS OR INFANTS (E.G., SHIELDS, IMMOBILIZERS) {8}
857  DF  .~ Head or face protector (e.g., lips, ears, etc.) {4}
864  DF  .~.~ Aural protectors (e.g., ear) {3}
865.~.~.~ Inflatable or expandable

DEFINITION

Classification: 128/865

Inflatable or expandable:

(under subclass 864) Subject matter wherein the ear protector means within the ear canal is distended or expanded by the application of fluid pressure to seal said canal or retain the protector within the canal.