2641689

Information

• Patent Grant
• 2641689

• References
• Source

• Patent Number

  2,641,689

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1953
  71 years ago

• CPC

  • B61K9/04 - Detectors for indicating the overheating of axle bearings and the like
  • Y10S116/38 - Hot box alarm

• US Classifications

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