2976401

Information

• Patent Grant
• 2976401

• References
• Source

• Patent Number

  2,976,401

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1961
  63 years ago

• CPC

  • B61L17/023 - Signalling; Signals with multiple indicating means
  • B61L17/00 - Switching systems for classification yards

• US Classifications

  • 246 - Railway switches and signals