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Expired
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William Alderson
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Individual
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Individual
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Publication of GB190811268ApublicationCriticalpatent/GB190811268A/en
11,268. Alderson, W. May 25. Window holders. -A spring C, secured in a groove Band recesses J in the sash stile, carries forked castings D with rollers F which bear against the frame. The raising of the sash may be facilitated by arranging spiral springs inside the rollers, so that when the window is lowered the springs are wound-up.
GB190811268D1908-05-251908-05-25Improved Means for Holding or Retaining Sliding Window Sashes in any Required Position.
ExpiredGB190811268A
(en)