Vaginal diaphragms with medicament dispensing foam pads
Patent 5044376 Issued on September 3, 1991. Estimated Expiration Date: 
October 2, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 2, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2020107 2110962 2157689 3443563 3683904 3780730 Disposable contraceptive cervical barrier Vaginal contraceptive Disposable female contraceptive Devices and methods for the prevention of transmission of venereal disease and non-gonococcal genital infections InventorApplicationNo. 415472 filed on 10/02/1989US Classes:128/837, Diaphragm128/832, With contraceptive, spermacidal, or antifertility agent128/841With cervical capExaminersPrimary: Hafer, Robert A.Assistant: Rooney, Kevin G. Attorney, Agent or FirmForeign Patent References
International ClassA61F 006/10AbstractA porous pouch or pad-retaining means in a vaginal diaphragm or a cervical cap, specially designed to securely and removably house a foam pad which pad will dispense Nonoxynol-9 or other spermatostatic/lymphocytostatic chemicals where the chemicals will exert maximal effect during hydrostatic pressure changes occurring during intercourse. | |
