2194057

Information

• Patent Grant
• 2194057

• References
• Source

• Patent Number

  2,194,057

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1940
  84 years ago

• CPC

  • B61L3/02 - at selected places along the route
  • B61L23/005 - Automatic control or safety means for points for operator-less railway

• US Classifications

  • 104 - Railways
  • 246 - Railway switches and signals