USPC Class Details

Description: 49 movable or removable closures / 49 movable or removable closures/(73.1) closures interconnected for concurrent movement (74.1) louver-type closures (e.g., slats or panels) (87.1) operating system includes a handle

Hierarchy/Derived subclasses

49 / 73.1

-> 74.1

-> 87.1

uspto searches

Patent Apps in 49/87.1

Granted Patents in 49/87.1

Use the links above or do an advanced search in ppubs for:
(49/87.1.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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