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Expired
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Alfred William Green
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Individual
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Individual
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Publication of GB190002740ApublicationCriticalpatent/GB190002740A/en
2740. Green, A. W. Feb. 12. Blocks.-Hollow terra-cotta or like blocks for fireproof and soundproof floors and roofs are formed with V-shaped interlocking-sides A', A<5>, upper and lower dovetail grooves A<1>, A<2> to engage with the concrete and plaster, and recessed ends to engage with the flanges of the girders C. Opposite diagonal corners of the blocks are cut away, as shown at A<6>, to facilitate the placing of the blocks in position.
GB190002740D1900-02-121900-02-12Improvement in the Construction of Fireproof Floors and Roofs.
ExpiredGB190002740A
(en)