USPC Class Details

Description: 65 glass manufacturing / 65 glass manufacturing/(376) processes of manufacturing fibers, filaments, or preforms (385) process of manufacturing optical fibers, waveguides, or preforms thereof (388) nonoxygen halide glass (e.g., metal halide, etc.)

Hierarchy/Derived subclasses

65 / 376

-> 385

-> 388

uspto searches

Patent Apps in 65/388

Granted Patents in 65/388

Use the links above or do an advanced search in ppubs for:
(65/388.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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