US PATENT SUBCLASS 600 / 403
.~.~ Pressure indicator includes liquid column

Current as of: June, 1999
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600 /   HD   SURGERY

300  DF  DIAGNOSTIC TESTING {38}
398  DF  .~ Testing aqueous humor pressure or related condition {7}
403.~.~ Pressure indicator includes liquid column

DEFINITION

Classification: 600/403

Pressure indicator includes liquid column:

(under subclass 398) Subject matter wherein pressure is indicated by means including a column of fluid.