3687366

Information

• Patent Grant
• 3687366

• References
• Source

• Patent Number

  3,687,366

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • E01B3/48 - Distance keepers or tie-rods for sleepers
  • E01B1/007 - with interlocking means to withstand horizontal forces
  • E01B3/28 - made from concrete or from natural or artificial stone

• US Classifications

  • 238 - Railways: surface track