cpc-classifier

Suggests CPC (Cooperative Patent Classification) classes for an invention — the model only picks from retrieved candidates, so it can’t invent a symbol, and abstains when nothing fits.

RSA public-key cryptosystem — US 4,405,829Real patent · granted 1983 · expiredWearable blood-glucose sensorNeural-network image recognitionAutonomous-car lidar controlSecure wireless payment protocol