924968

Information

• Patent Grant
• 924968

• References
• Source

• Patent Number

  924,968

• Date Filed

  Not available

• Date Issued

  Tuesday, June 15, 1909
  116 years ago

• CPC

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

• US Classifications

  • 246 - Railway switches and signals