Class 505/906 - Switching device (i.e., electrical not railway stock diverting)

Subclass of Class 505 - Superconductor technology: apparatus, material, process
Definition: Subject matter including means or structure for making and
No. of patents: 1
Last issue date: 11/30/1976

Number	Title	Issue Date
3994236	Switch for magnetic suspension railroad In a magnetic suspension railroad where a suspension vehicle is guided by magnetic forces between a magnet on the vehicle and magnetic fields generated in track coils comprising opposing coil halves, switching contacts are arranged in the coils such that ...	11/30/1976

PatentStorm