2130444

Information

• Patent Grant
• 2130444

• References
• Source

• Patent Number

  2,130,444

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1938
  85 years ago

• CPC

  • B61L5/045 - using electrically controlled fluid-pressure operated driving means

• US Classifications

  • 246 - Railway switches and signals