USPC Class Details – HistoricIP

Description: 254 implements or apparatus for applying pushing or pulling force / 254 implements or apparatus for applying pushing or pulling force/(264) apparatus for hauling or hoisting load, including driven device which contacts and pulls on cable (266) device includes rotatably driven, cable contacting drum (342) drive includes intermeshing gears (346) drive also includes clutch mechanism having coaxial, rotatable relatively shiftable axially, power transmitting components

Hierarchy/Derived subclasses

254 / 264	-> 266	-> 342	-> 346	-> 347
				-> 348
				-> 349
				-> 350	-> 351

uspto searches

Patent Apps in 254/346

Granted Patents in 254/346

Use the links above or do an advanced search in ppubs for:
(254/346.ccls. or 254/347.ccls. or 254/348.ccls. or 254/349.ccls. or 254/350.ccls. or 254/351.ccls.)

This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.