US PATENT SUBCLASS 424 / 432
.~.~.~ IUD or ring

Current as of: June, 1999
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424 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

400  DF  PREPARATIONS CHARACTERIZED BY SPECIAL PHYSICAL FORM {12}
422  DF  .~ Implant or insert {5}
430  DF  .~.~ Vaginal, urethral, uterine {3}
432.~.~.~ IUD or ring

DEFINITION

Classification: 424/432

IUD or ring:

(under subclass 430) Subject matter in which the special

physical form is a structured article intended for insertion in the uterus.