1289397

Information

• Patent Grant
• 1289397

• References
• Source

• Patent Number

  1,289,397

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1918
  106 years ago

• CPC

  • B61L25/065 - for signalling systems on the vehicle using current conduction

• US Classifications

  • 246 - Railway switches and signals