USPC Class Details

Description: 49 movable or removable closures / 49 movable or removable closures/(131) closure surface moved to inoperative position flush-with-ground (132) treadle actuated (133) actuation raises closure to blocking position (134) treadle on opposite approaches

Hierarchy/Derived subclasses

49 / 131

-> 132

-> 133

-> 134

uspto searches

Patent Apps in 49/134

Granted Patents in 49/134

Use the links above or do an advanced search in ppubs for:
(49/134.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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