2710342

Information

• Patent Grant
• 2710342

• References
• Source

• Patent Number

  2,710,342

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1955
  69 years ago

• CPC

  • B61L29/243 - Transmission mechanism or acoustical signals for gates
  • 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
  • 192 - Clutches and power-stop control