1796674

Information

• Patent Grant
• 1796674

• References
• Source

• Patent Number

  1,796,674

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1931
  93 years ago

• CPC

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

• US Classifications

  • 246 - Railway switches and signals