Automated surge weir and rim skimming gutter flow control system
Patent 4133059 Issued on January 9, 1979. Estimated Expiration Date: 
September 19, 1997. 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.
September 19, 1997. 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. 05/834584 filed on 09/19/1977US Classes:4/494, Combined or convertable4/508And water level controlExaminersPrimary: Levy, Stuart S.International ClassesE04H 4/00 (20060101)E04H 4/12 (20060101) AbstractA fully automated surge weir and rim skimming gutter flow control system is provided, automatically establishing and controlling surge weir and rim skimming gutter flow under both normal and extraordinary pool use conditions, sensing changes in water level and water activity, and actuating appropriate response mechanisms controlling surge weir and rim skimming gutter flow and/or rate of recirculation of the water between the pool and the filtration system with switches to convert the gutter from weir skimming and back. | |
