Downspout for building gutters or the like
Patent 4608786 Issued on September 2, 1986. Estimated Expiration Date: 
December 10, 2005. 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 10, 2005. 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 546042 603611 836012 891405 2669950 2672832 2898939 3638369 Flume mixer Rainwater ducting system InventorApplicationNo. 06/807290 filed on 12/10/1985US Classes:52/16, With downspout210/320, With baffle perpendicular to flow direction405/119, Flume52/11, COVER WITH SURFACE WATER RECEIVER AT EAVE OR VALLEY52/12With separator; e.g., strainerExaminersPrimary: Perham, Alfred C.Attorney, Agent or FirmInternational ClassesE04D 13/08 (20060101)E04D 13/04 (20060101) AbstractA downspout structure adapted to be utilized with a conventional gutter on a building structure to discharge run-off water to a drainage location, including an elongate generally U-shaped open downspout member having an interior water deflector arrangement along substantially the length thereof forming wettable surfaces adapted for causing run-off water contacting the deflector arrangement to flow sheetingly therealong to retain the run-off water within the downspout member. Leaves and other debris are transported through the downspout member by the sheeting water run-off and the open nature of the downspout member permits expulsion of such debris to substantially prevent clogging of the downspout structure. | |
