US PATENT SUBCLASS 128 / 833
.~.~ Intrauterine

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}
832  DF  .~ With contraceptive, spermacidal, or antifertility agent {1}
833.~.~ Intrauterine

DEFINITION

Classification: 128/833

Intrauterine:

(under subclass 832) Subject matter wherein the contraceptive, spermicidal or antifertility agent is inserted within the uterus or cervix uteri.