1252663

Information

• Patent Grant
• 1252663

• References
• Source

• Patent Number

  1,252,663

• Date Filed

  Not available

• Date Issued

  Tuesday, January 8, 1918
  107 years ago

• CPC

  • A63G7/00 - Up-and-down hill tracks Switchbacks
  • E01B3/12 - Longitudinal sleepers Longitudinal sleepers integral or combined with tie-rods Combined longitudinal and transverse sleepers

• US Classifications

  • 238 - Railways: surface track