Debris separator for downspouts
Patent 4472274 Issued on September 18, 1984. Estimated Expiration Date: 
March 21, 2003. 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.
March 21, 2003. 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. 06/477499 filed on 03/21/1983US Classes:210/163, Grated inlet surface drain210/447, Laterally removable210/459, Pipe or plate attached typeD23/209Filter or strainer (2)ExaminersPrimary: Fisher, Richard V.Assistant: Jones, W. Gary Attorney, Agent or FirmInternational ClassesB01D 29/05 (20060101)B01D 29/01 (20060101) E04D 13/04 (20060101) E04D 13/08 (20060101) AbstractA debris separator for rain gutter systems includes a substantially tubular housing having an upper port, a lower port, and an expanded chamber beneath the top port having a transverse opening. An inclined grate is secured within the chamber to extend angularly upwardly from the bottom peripheral edge of the transverse opening so as to extend across the chamber and the top port. Preferably, the grid includes a plurality of spaced, parallel plates which permit water to fall therebetween while diverting large particulate along the grid to direct it out of the housing through the transverse opening .Field of SearchFixed strainerGrated inlet surface drain Flat grating at surface level Plural outlets from filter casing Axially aligned inlet and outlet Prefilt flow distributor or diverter Supported, shaped or superimposed formed mediums Perforated or grooved plates Laterally removable Pipe or plate attached type | |
