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Expired
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William Galt Highet
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Individual
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Individual
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Publication of GB190221415ApublicationCriticalpatent/GB190221415A/en
21,415. Highet, W. G. Oct. 2. Spigot-and-socket joints. -The spigot end a of a length of soil or drain pipe is made with the external bead b, which tapers off at an angle to the inner surface of the pipe and forms a sharp and pointed edge c. The faucet end d is made with the sloping part s to correspond to the tapered spigot, and, when the pipes are joined, the collection of soil or dirt is prevented.
GB190221415D1902-10-021902-10-02An Improvement in Soil and Drain Pipes.
ExpiredGB190221415A
(en)