Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
Harry A Schry
George Krueger
George Wild
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Individual
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Individual
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Application grantedgrantedCritical
Publication of GB189801981ApublicationCriticalpatent/GB189801981A/en
1981. Schry, H. A., Krueger, G., and Wild, G. Jan. 25. Chain-wheels, made as shown, engage by means of cup-shaped recesses with balls mounted between the chain links.
GB189801981D1898-01-251898-01-25Improvements in or relating to Chain Gearing.
ExpiredGB189801981A
(en)