Sponge mop
Patent 4333198 Issued on June 8, 1982. Estimated Expiration Date: 
December 15, 2000. 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 15, 2000. 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 2127055 2235264 2926373 3727259 Self-wringing ansate mop Patent #: 4196488 InventorApplicationNo. 06/216156 filed on 12/15/1980US Classes:15/119.2Sponge mopExaminersPrimary: Bleutge, Robert L.Attorney, Agent or FirmInternational ClassesA47L 13/10 (20060101)A47L 13/144 (20060101) AbstractThe sponge mop includes a hollow cylindrical body which terminates at its lower end in a bridge which supports rollers in spaced alignment a predetermined distance on each side of the axis of the body for sponge squeezing purposes. An operating handle is axially movable through the body and is engaged at one end with a sponge carrier to pull the sponge through the rollers for water wringing purposes and to push the sponge below the rollers for work purposes.Other References
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