2662167

Information

• Patent Grant
• 2662167

• References
• Source

• Patent Number

  2,662,167

• Date Filed

  Not available

• Date Issued

  Tuesday, December 8, 1953
  71 years ago

• CPC

  • B61L29/226 - using track-circuits, closed or short-circuited by train or using isolated rail-sections

• US Classifications

  • 246 - Railway switches and signals
  • 049 - Movable or removable closures