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
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Inventor
John Klinkenberg
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Individual
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Individual
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Publication of GB191313135ApublicationCriticalpatent/GB191313135A/en
B66B1/02—Control systems without regulation, i.e. without retroactive action
B66B1/06—Control systems without regulation, i.e. without retroactive action electric
B66B1/08—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. handles or levers, in the cars or cages for direct control of movements
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Engineering & Computer Science
(AREA)
Automation & Control Theory
(AREA)
GB191313135D1913-06-061913-06-06Improvements in Devices for Braking Electric Motors.
ExpiredGB191313135A
(en)