1652866

Information

• Patent Grant
• 1652866

• References
• Source

• Patent Number

  1,652,866

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1927
  97 years ago

• CPC

  • B61L25/026 - Relative localisation
  • B61L3/00 - Devices along the route for controlling devices on the vehicle or vehicle train
  • B61L3/02 - at selected places along the route

• US Classifications

  • 246 - Railway switches and signals