USPC Class Details

Description: 337 electricity: electrothermally or thermally actuated switches / 337 electricity: electrothermally or thermally actuated switches/(14) electrothermally actuated switches (142) fusible element actuated (227) fuse link carrier or holder (255) plug (256) plural fusible elements in a single carrier (257) selectively or successively insertable in protected circuit

Hierarchy/Derived subclasses

337 / 14

-> 142

-> 227

-> 255

-> 256

-> 257

-> 258

-> 259

uspto searches

Patent Apps in 337/257

Granted Patents in 337/257

Use the links above or do an advanced search in ppubs for:
(337/257.ccls. or 337/258.ccls. or 337/259.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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