2973429

Information

• Patent Grant
• 2973429

• References
• Source

• Patent Number

  2,973,429

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1961
  63 years ago

• CPC

  • B61L1/20 - Safety arrangements for preventing or indicating malfunction of the device
  • B61K9/06 - by detecting or indicating heat radiation from overheated axles
  • Y10S116/38 - Hot box alarm

• US Classifications

  • 246 - Railway switches and signals
  • 116 - Signals and indicators