2310694

Information

• Patent Grant
• 2310694

• References
• Source

• Patent Number

  2,310,694

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1943
  81 years ago

• CPC

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

• US Classifications

  • 049 - Movable or removable closures
  • 318 - Electricity: motive power systems