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.)
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Burman and Sons Ltd
Original Assignee
Burman and Sons Ltd
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Publication date
Application filed by Burman and Sons LtdfiledCriticalBurman and Sons Ltd
Application grantedgrantedCritical
Publication of FR672850ApublicationCriticalpatent/FR672850A/en
B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
FR672850D1928-05-181929-04-09
Improvements to variable speed drive mechanisms
ExpiredFR672850A
(en)