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Expired
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James Ainsworth
John Lightfoot
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Individual
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Individual
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Publication of GB190608826ApublicationCriticalpatent/GB190608826A/en
8826. Ainsworth, J., and Lightfoot, J. April 12. Tobacco pipes.-In tobacco pipes of the kind having a grooved inner tube or channel-shaped piece within the stem to facilitate the cleaning of the pipe, the inner tube b, which extends below and into the bowl, has a bevelled extremity b<1> which cuts away the sediment at the entrance to the bowl when the tube is rotated by means of the mouthpiece to which it is attached.
GB190608826D1906-04-121906-04-12Improvements in Tobacco-pipes.
ExpiredGB190608826A
(en)