3756507

Information

• Patent Grant
• 3756507

• References
• Source

• Patent Number

  3,756,507

• Date Filed

  Not available

• Date Issued

  Tuesday, September 4, 1973
  51 years ago

• CPC

  • E01B1/008 - Drainage of track
  • E01B3/38 - Longitudinal sleepers Longitudinal sleepers integral or combined with tie-rods Combined longitudinal and transverse sleepers Layers of concrete supporting both rails
  • E01C3/06 - Methods or arrangements for protecting foundations from destructive influence of moisture, frost or vibration
  • E01B1/001 - Track with ballast
  • E01B1/002 - Ballastless track

• US Classifications

  • 238 - Railways: surface track