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
Robert Benson North
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of GB190509018ApublicationCriticalpatent/GB190509018A/en
9018. North, R. B. April 28. Speed indicators.-A circular rack a, slidable by a centrifugal governor, rotates a pinion c on a shaft carrying an indicating-hand and a pinion f gearing with a sector operating a tracer j, which makes a record on a clock-driven drum or disk.
GB190509018D1905-04-281905-04-28Improvements in Speed Indicators.
ExpiredGB190509018A
(en)