1849156

Information

• Patent Grant
• 1849156

• References
• Source

• Patent Number

  1,849,156

• Date Filed

  Not available

• Date Issued

  Tuesday, March 15, 1932
  92 years ago

• CPC

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

• US Classifications

  • 246 - Railway switches and signals