2971084

Information

• Patent Grant
• 2971084

• References
• Source

• Patent Number

  2,971,084

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1961
  63 years ago

• CPC

  • B61L17/023 - Signalling; Signals with multiple indicating means
  • B61L25/021 - Measuring and recording of train speed

• US Classifications

  • 246 - Railway switches and signals