US PATENT SUBCLASS 128 / 834
.~ Pessaries

Current as of: June, 1999
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128 /   HD   SURGERY

830  DF  FEMALE REPRODUCTORY TRACT SHIELDS, SUPPORTS, OR BIRTH CONTROL DEVICES (E.G., PESSARIES, CONTRACEPTIVE DEVICES) {3}
834.~ Pessaries {4}
835  DF  .~.~> External supporters
836  DF  .~.~> Inflatable
837  DF  .~.~> Diaphragm {1}
839  DF  .~.~> Intrauterine {2}

DEFINITION

Classification: 128/834

Pessaries:

(under subclass 830) Subject matter for internal vaginal use as a support for the uterus against prolapse.