USPC Class Details – HistoricIP

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 (260) with fuse element attachment or securing means (262) particularly adapted for specific fuse element (263) cartridge or capsule enclosed

Hierarchy/Derived subclasses

337 / 14

-> 142

-> 227

-> 255

-> 260

-> 262

-> 263

uspto searches

Patent Apps in 337/263

Granted Patents in 337/263

Use the links above or do an advanced search in ppubs for:
(337/263.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.