Multiple purpose irrigation fitting
Patent 5257826 Issued on November 2, 1993. Estimated Expiration Date: 
December 7, 2012. 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.
December 7, 2012. 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 ReferencesWater discharge device for use with irrigation systems Adjustable drip emitter Method and apparatus for repairing lawn sprinkler systems Plastic pipe fitting Porous pipe landscape system Multiple purpose irrigation fitting Irrigation system with flow regulation Patent #: 5131597 InventorsAssigneeApplicationNo. 986557 filed on 12/07/1992US Classes:285/148.19, Diverse coupling interfaces285/12, CONVERTIBLE285/238, NONMETAL TO METAL285/247, Thimble285/423NonmetallicExaminersPrimary: Nicholson, Eric K.Attorney, Agent or FirmForeign Patent References
International ClassF16L 025/00AbstractA fitting for connecting together porous and non-porous irrigation tubing, threaded garden hose, and pipe with conventional pipe thread. Some openings in the fitting have both exterior male threads to engage the hose and interior compression rings to engage the tubing. Another opening in the fitting is provided with pipe threads to allow connection to ordinary threaded risers used in underground distribution systems. | |
