Leaf free gutter and downpipe rain head
October 17, 2014. 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 3053393 Anti-gutter clogging and debris removal device Debris separator for downspouts Downspout for building gutters or the like Leader filter Downspout trap and clean out Debris separator unit for raingutter downspouts Multiwell filter plate vacuum manifold assembly Gutter system Screen for a rain gutter InventorApplicationNo. 318808 filed on 10/17/1994US Classes:52/12, With separator; e.g., strainer52/11, COVER WITH SURFACE WATER RECEIVER AT EAVE OR VALLEY52/13, Between oppositely sloping sections52/16, With downspout210/474, At upper edge of filtrate receiver210/482At lower end or prefilt receiverExaminersPrimary: Wood, Wynn E.Attorney, Agent or FirmForeign Patent References
International ClassE04D 013/08Foreign Application Priority Data1992-05-01 AUAbstractA device for use in association with roof gutters and downpipes for the purpose of removing debris and like items from rainwater as it flows into the downpipe. The device comprises a box compartment having an upwardly facing inclined inlet over which a primary screen is located, and a lower outlet connected to a downpipe through which the filtered water passes. Debris is washed over the inclined screen to the exterior of the device. More than one screen of varying mesh size may be provided. | |
