Rain gutter assembly
Patent 4841686 Issued on June 27, 1989. Estimated Expiration Date: 
August 12, 2008. 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.
August 12, 2008. 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 2569568 3420378 3630383 3855132 Gutter protector Leaf excluder for rain water guttering Patent #: 4607465 InventorApplicationNo. 07/231525 filed on 08/12/1988US Classes:52/12, With separator; e.g., strainer210/474At upper edge of filtrate receiverExaminersPrimary: Murtagh, John E.Assistant: Williams, Anthony W. Attorney, Agent or FirmInternational ClassesE04D 13/076 (20060101)E04D 13/04 (20060101) AbstractThis relates to an improvement for rain gutters comprising a filter attachment which is constructed to fit over the open end of the gutter. The filter attachment comprises an elongated screen to the underside of which is clamped a pad of fibrous material such as fiber glass. Adjustable clamping means is provided for holding the filter attachment in place on the gutter opening. | |
