3813038

Information

• Patent Grant
• 3813038

• References
• Source

• Patent Number

  3,813,038

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1974
  50 years ago

• CPC

  • F16B21/082 - the stud, pin or spigot having two resilient parts on its opposite ends in order to connect two elements
  • E01B3/10 - Composite sleepers
  • F16B35/02 - divided longitudinally
  • F16B35/041 - Specially-shaped shafts

• US Classifications

  • 238 - Railways: surface track
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener