1395657

Information

• Patent Grant
• 1395657

• References
• Source

• Patent Number

  1,395,657

• Date Filed

  Not available

• Date Issued

  Tuesday, November 1, 1921
  102 years ago

• CPC

  • A63G7/00 - Up-and-down hill tracks Switchbacks
  • A63G1/02 - with masking tunnels

• US Classifications

  • 104 - Railways