USPC Class Details

Description: 65 glass manufacturing / 65 glass manufacturing/(17.1) processes (33.1) devitrifying glass or vitrifying crystalline glass (e.g., starting with or forming crystalline glass, etc.) (33.4) with coating

Hierarchy/Derived subclasses

65 / 17.1

-> 33.1

-> 33.4

uspto searches

Patent Apps in 65/33.4

Granted Patents in 65/33.4

Use the links above or do an advanced search in ppubs for:
(65/33.4.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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