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Expired
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Thomas William Corbin
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Individual
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Individual
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Publication of GB190717324ApublicationCriticalpatent/GB190717324A/en
17,324. Corbin, T. W. July 29. Treads for stairs &c.-Thin strips A, of steel or other hard material, are secured on edge between strips C of wood or softer material, by rivets, bolts, screws, straps, &c. Two thicker metal pieces B form the outside frame. To prevent side-slipping, the metal strips may be notched. The tread can be reversed when required.
GB190717324D1907-07-291907-07-29Improved Non-slipping Tread for Stairs and the like
ExpiredGB190717324A
(en)