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Expired
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Jonas Bergmann
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Individual
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Individual
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Publication of GB189702881ApublicationCriticalpatent/GB189702881A/en
2881. Bergmann, J. Feb. 3. Tyres, pneumatic.-The cover a is made of one or more pieces of leather and is thicker at the tread than at the sides. Attaching-rings of leather b are sewn by means of seams n to the cover. The inner edges of these rings b are bevelled, and the tyre is attached to the wheel rim by the outer projecting edges. The cover may either be smooth or have one or more ribs c, with the insertions r made of any suitable material.
GB189702881D1897-02-031897-02-03Improvements in and relating to Pneumatic Tyres for Cycles and other Road Vehicles.
ExpiredGB189702881A
(en)