Branch piece
Patent 4273364 Issued on June 16, 1981. Estimated Expiration Date: 
April 10, 1999. 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.
April 10, 1999. 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 624770 2690193 3181900 3231298 3350755 3918748 Branch piece for providing branch connections in a pipe Pipe coupling Patent #: 4109944 InventorAssigneeApplicationNo. 06/028829 filed on 04/10/1979US Classes:285/197, Saddle-type clamp285/421WedgeExaminersPrimary: Callaghan, Thomas F.Attorney, Agent or FirmInternational ClassF16L 37/00 (20060101)Foreign Application Priority Data1978-04-10 NLAbstractA branch piece for pipe-lines comprising a first part and a second part for forming a cylindrical housing, each of the two parts being provided with a coupling edge for engaging a connecting or closing part. The parts are provided with wedge-shaped tongues which fit in complementary wedge-shaped recesses in the other parts. | |
