Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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US Patent 4018464 - Tapping tee
US Patent Issued on April 19, 1977
Estimated Patent Expiration Date:
April 19, 1994Estimated 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.
Estimated Patent Expiration Date:
April 19, 1994Estimated 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.AbstractTapping 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. | InventorsApplicationNo. 05/610567 filed on 09/05/1975US Classes:285/197, Saddle-type clamp285/180, Cooperating saddle clamp285/421WedgeField of Search285/197, Saddle-type clamp285/309, With means to increase contact pressure (e.g., tightener)285/310, Separate actuator285/311, Dead center lever systems (self-locking)285/312, Cam lever285/198, Yoke with radial screw at bight285/199, Yoke with thread on free ends285/342, Pushed285/331, Annular socket285/354, Screw thimble285/180, Cooperating saddle clamp285/421, Wedge285/114WITH STRAIN RELIEFExaminersPrimary: Larkin, G. V.Attorney, Agent or FirmUS Patent References3834743, 3918748, 3920268Foreign Application Priority Data1974-09-17 NL |
