Debris separator unit for raingutter downspouts
Patent 4801377 Issued on January 31, 1989. Estimated Expiration Date: 
January 31, 2006. 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.
January 31, 2006. 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 ReferencesInventorApplicationNo. 06/549641 filed on 11/07/1983US Classes:210/162, Fixed strainer210/163, Grated inlet surface drain210/248, WITH DRIP, OVERFLOW OR CONTENT DRAINING FEATURE210/446, Axially aligned inlet and outlet210/456, Prefilt flow distributor or diverter52/12, With separator; e.g., strainer52/16With downspoutExaminersPrimary: Therkorn, Ernest G.Attorney, Agent or FirmInternational ClassesB01D 29/03 (20060101)B01D 29/01 (20060101) E03B 3/02 (20060101) E03B 3/00 (20060101) AbstractA debris separator is provided in the downspout of a gutter system wherein a steeply angled grating is provided in the downspout which permits water to flow down through the downspout while leaves and other debris are carried downwardly along the grating and out of an opening in the downspout. | |
