USPC Class Details

Description: 74 machine element or mechanism / 74 machine element or mechanism/(813r) rotary member or shaft indexing, e.g., tool or work turret (825) plural operators or input drives

Hierarchy/Derived subclasses

74 / 813r-> 825

uspto searches

Patent Apps in 74/825

Granted Patents in 74/825

Use the links above or do an advanced search in ppubs for:
(74/825.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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