3762641

Information

• Patent Grant
• 3762641

• References
• Source

• Patent Number

  3,762,641

• Date Filed

  Not available

• Date Issued

  Tuesday, October 2, 1973
  51 years ago

• CPC

  • E01B3/48 - Distance keepers or tie-rods for sleepers
  • E01B3/28 - made from concrete or from natural or artificial stone
  • E01B3/34 - with pre-tensioned armouring or reinforcement
  • E01B3/38 - Longitudinal sleepers Longitudinal sleepers integral or combined with tie-rods Combined longitudinal and transverse sleepers Layers of concrete supporting both rails

• US Classifications

  • 238 - Railways: surface track