3920182

Information

• Patent Grant
• 3920182

• References
• Source

• Patent Number

  3,920,182

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1975
  49 years ago

• CPC

  • B66C7/04 - Trackway suspension
  • E01B3/38 - Longitudinal sleepers Longitudinal sleepers integral or combined with tie-rods Combined longitudinal and transverse sleepers Layers of concrete supporting both rails
  • E01B9/34 - by resilient steel clips
  • E01B9/66 - Rail fastenings allowing the adjustment of the position of the rails, so far as not included in the preceding groups

• US Classifications

  • 238 - Railways: surface track