USPC Class Details

Description: 401 coating implements with material supply / 401 coating implements with material supply/(49) solid material for rubbing contact or support therefor (55) including means to advance material (65) step-by-step

Hierarchy/Derived subclasses

401 / 49	-> 55	-> 65	-> 66
			-> 67

uspto searches

Patent Apps in 401/65

Granted Patents in 401/65

Use the links above or do an advanced search in ppubs for:
(401/65.ccls. or 401/66.ccls. or 401/67.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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