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Expired
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Anton Mayr
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Individual
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Individual
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Publication of GB190714220ApublicationCriticalpatent/GB190714220A/en
14,220. Mayr, A. June 20. Windows.-In a double casement window, inner portions a, removably hinged to the frame, and outer portions b removably hinged to inner portions at c, are caused to open together as single casements by rabbeting the inner portion on three sides to receive the outer portions, and providing the rabbet on the hinged side of each inner portion with a groove into which a tongue on the hinged side of the outer portion fits in hookjoint fashion ; this obviates the use of a special connexion between the two portions.
GB190714220D1907-06-201907-06-20Improvements in Double Windows.
ExpiredGB190714220A
(en)