2806943

Information

• Patent Grant
• 2806943

• References
• Source

• Patent Number

  2,806,943

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1957
  67 years ago

• CPC

  • B61L23/12 - partly operated by train
  • B61L13/002 - actuated by the passage of the vehicle

• US Classifications

  • 246 - Railway switches and signals
  • 238 - Railways: surface track