1405494

Information

• Patent Grant
• 1405494

• References
• Source

• Patent Number

  1,405,494

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1922
  102 years ago

• CPC

  • B61L5/167 - using electrically controlled fluid-pressure operated driving means

• US Classifications

  • 246 - Railway switches and signals