Reusable tampon
Patent 4108180 Issued on August 22, 1978. Estimated Expiration Date: 
December 20, 1996. 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.
December 20, 1996. 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 969640 1887520 1977133 2188923 3794029 3812856 3815601 3902493 InventorApplicationNo. 05/752602 filed on 12/20/1976US Classes:604/369, Foam or cellular structure material604/904TAMPONSExaminersPrimary: Trapp, Lawrence W.Attorney, Agent or FirmInternational ClassesA61F 13/20 (20060101)A61F 6/08 (20060101) A61F 6/00 (20060101) AbstractA reusable tampon device including a body of flexible, dry compressible cellular sponge material such as polyurethane foam which is capable of absorbing body fluids such as menses and having an outer covering completely enclosing said body and comprising a porous structure having at least one open mesh fibrous material layer forming a bag and including a draw string interconnected with peripheral portions of the bag for opening and closing such to permit easy removal of the body therefrom for cleansing and reuse. | |
