3653591

Information

• Patent Grant
• 3653591

• References
• Source

• Patent Number

  3,653,591

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1972
  52 years ago

• CPC

  • E01B9/28 - Fastening on wooden or concrete sleepers or on masonry with clamp members
  • E01B9/10 - Screws or bolts for sleepers
  • E01B9/18 - for concrete sleepers

• US Classifications

  • 238 - Railways: surface track