Tapping tee
Patent 4018464 Issued on April 19, 1977. Estimated Expiration Date: 
April 19, 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.
April 19, 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 3834743 3918748 3920268 InventorsApplicationNo. 05/610567 filed on 09/05/1975US Classes:285/197, Saddle-type clamp285/180, Cooperating saddle clamp285/421WedgeExaminersPrimary: Larkin, G. V.Attorney, Agent or FirmForeign Application Priority Data1974-09-17 NLAbstractTapping tee for a main pipe having integral coupling means for coupling to branch pipes made of flexible or relatively inflexible synthetic materials. A branch-receiving socket has a support pipe fitting snugly inside the branch pipe, and an integral sleeve having a part fitting snugly to the branch pipe outside, and a part with an enlarged bore for a sealing means. | |
