USPC Class Details

Description: 300 brush, broom, and mop making / 300 brush, broom, and mop making/(2) brush-making machines (4) tuft feeding and setting

Hierarchy/Derived subclasses

300 / 2-> 4

uspto searches

Patent Apps in 300/4

Granted Patents in 300/4

Use the links above or do an advanced search in ppubs for:
(300/4.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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