3549090

Information

• Patent Grant
• 3549090

• References
• Source

• Patent Number

  3,549,090

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1970
  53 years ago

• CPC

  • E01B9/18 - for concrete sleepers
  • E01B9/306 - the clip being a shaped plate
  • 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