Coupling members for pipeline assemblies
Patent 4461498 Issued on July 24, 1984. Estimated Expiration Date: 
December 2, 2001. 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 2, 2001. 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 1211784 1246189 2225208 2412394 3551006 3851901 3920270 Pipe retainer joints Composite abrasion resistant pipe elbow Patent #: 4130300 InventorAssigneeApplicationNo. 06/326499 filed on 12/02/1981US Classes:285/16, Removable wear element285/112, Longitudinal web285/179, ELBOW285/373, Longitudinally divided285/55LinedExaminersPrimary: Scanlan, Richard J. Jr.Attorney, Agent or FirmInternational ClassesF16L 57/06 (20060101)F16L 57/00 (20060101) AbstractAccording to the present invention, a coupling member assembly is provided which is of multiple-part construction, and which includes an inexpensive and readily replaceable conduit member formed from an abrasion resistant material, the conduit member being supported substantially throughout its entire outer surface by two or more rigid coupling member sections which are bolted or otherwise secured to each other, and, which provide the major structural strength of the coupling member assembly. | |
