Drip level irrigation
Patent 4060200 Issued on November 29, 1977. Estimated Expiration Date: 
November 29, 1994. 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.
November 29, 1994. 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 3323550 3667685 3753527 3870236 3882892 InventorAssigneeApplicationNo. 05/604838 filed on 08/14/1975US Classes:239/542, CONDUIT OR NOZZLE ATTACHED IRRIGATION-TYPE DECELERATOR138/42Tortuous pathExaminersPrimary: Blunk, Evon C.Assistant: Kashnikow, Andres Attorney, Agent or FirmInternational ClassA01G 25/02 (20060101)Foreign Application Priority Data1974-08-14 ILAbstractAn emitter unit comprises a pair of casing components and a coupling for coupling said components together via an interposed strip that extends beyond the components on all sides and is adapted to form a closed conduit such that one component is inside the conduit and one is outside. At least one of the components defines, together with the interposed strip, a flow restricting flowpath. Apertures are provided for effecting communication between said flowpath and the other component via said strip. | |
