Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B60
VEHICLES IN GENERAL
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B60D
VEHICLE CONNECTIONS
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1/00
Traction couplings; Hitches; Draw-gear; Towing devices
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B60D1/48
characterised by the mounting
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B60D1/54
collapsible or retractable when not in use, e.g. hide-away hitches
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B60D2001/542
characterised by the number of pivot axes
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B60D2001/544
One pivot axis
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