USPC Class Details

Description: 235 registers / 235 registers/(61r) calculators (58r) recording (60r) key set (60.13) multiple recording means

Hierarchy/Derived subclasses

235 / 61r-> 58r-> 60r-> 60.13

uspto searches

Patent Apps in 235/60.13

Granted Patents in 235/60.13

Use the links above or do an advanced search in ppubs for:
(235/60.13.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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