Automatic watering and feeding system for plants
Patent 4557071 Issued on December 10, 1985. Estimated Expiration Date: 
June 6, 2004. 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.
June 6, 2004. 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 3261125 3534498 3747399 3755904 InventorApplicationNo. 06/617985 filed on 06/06/1984US Classes:47/81, Fibrous wick47/48.5, PLANT IRRIGATORS AND/OR FERTILIZERS, APPARATUS OR METHOD47/62RNutrient recirculation system (e.g., hydroponic system)ExaminersPrimary: Bagwill, Robert E.Assistant: Lewis, Bradley M. Attorney, Agent or FirmInternational ClassA01G 27/00 (20060101)AbstractA watering and feeding system for plants, comprising a container enclosing a platformed water reservoir, housing a water supply unit, a fertilizer dispensing unit, a nutrient conveying wick and a water level indicator unit, all of which are interacting to provide automatic and adequately measured amounts of nutrients to the plants, embedded in soil on top of the platformed water reservoir. | |
