USPC Class Details

Description: 242 winding, tensioning, or guiding / 242 winding, tensioning, or guiding/(324) unwinding and rewinding a machine convertible information carrier (e.g., magnetic tape or photographic film) (332) including threading (332.1) having particular automated control

Hierarchy/Derived subclasses

242 / 324

-> 332

-> 332.1

-> 332.2

uspto searches

Patent Apps in 242/332.1

Granted Patents in 242/332.1

Use the links above or do an advanced search in ppubs for:
(242/332.1.ccls. or 242/332.2.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.

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