USPC Class Details

Description: 65 glass manufacturing / 65 glass manufacturing/(376) processes of manufacturing fibers, filaments, or preforms (442) composite fiber matrix (e.g., carbon or metal fiber with glass matrix or vice versa, etc.)

Hierarchy/Derived subclasses

65 / 376-> 442

uspto searches

Patent Apps in 65/442

Granted Patents in 65/442

Use the links above or do an advanced search in ppubs for:
(65/442.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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