USPC Class Details

Description: 416 fluid reaction surfaces (i.e., impellers) / 416 fluid reaction surfaces (i.e., impellers)/(204r) specific working member mount (219r) blade received in well or slot (220r) having blade locking means (221) resilient or deformable

Hierarchy/Derived subclasses

416 / 204r

-> 219r

-> 220r

-> 221

uspto searches

Patent Apps in 416/221

Granted Patents in 416/221

Use the links above or do an advanced search in ppubs for:
(416/221.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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