USPC Class Details

Description: 701 data processing: vehicles, navigation, and relative location / 701 data processing: vehicles, navigation, and relative location/(400) navigation (408) employing position determining equipment (409) for use in a map database system (410) including route searching or determining (420) remote route searching or determining (421) route information sent to user in successive portions

Hierarchy/Derived subclasses

701 / 400-> 408-> 409-> 410-> 420-> 421

uspto searches

Patent Apps in 701/421

Granted Patents in 701/421

Use the links above or do an advanced search in ppubs for:
(701/421.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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