Patents by Inventor Margaret D. Tlapek

Margaret D. Tlapek has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of contraception using disposable cervical cap
    Patent number: 4895170
    Abstract: A disposable cervical cap has a thin, form-assuming pliable dome with an integrally-molded resilient retaining rim. The rim has a bevelled outer shoulder and contains an annular groove on its inner surface. The inner groove and rim define two ascending lips on the inner surface of the rim which prevent dislodgement of the cap from the cervix. The cervial cap includes a set of tabs on its outer surface to assist in positioning and placement of the cap and further includes a loop for removing the cap after use.
    Type: Grant
    Filed: July 25, 1988
    Date of Patent: January 23, 1990
    Assignee: Page Hanes, Inc.
    Inventors: Janet M. Tlapek, Margaret D. Tlapek
  • Disposable cervical cap
    Patent number: 4785804
    Abstract: A disposable cervical cap has a thin, form-assuming pliable dome with an integrally-molded resilient retaining rim. The rim has a bevelled outer shoulder and contains an annular groove on its inner surface. The inner groove and rim define two ascending lips on the inner surface of the rim which prevent dislodgement of the cap from the cervix. The cervical cap includes a set of tabs on its outer surface to assist in positioning and placement of the cap and further includes a loop for removing the cap after use.
    Type: Grant
    Filed: July 20, 1987
    Date of Patent: November 22, 1988
    Assignee: Page Hanes, Inc.
    Inventors: Janet M. Tlapek, Margaret D. Tlapek