1535237

Information

• Patent Grant
• 1535237

• References
• Source

• Patent Number

  1,535,237

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1925
  99 years ago

• CPC

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

• US Classifications

  • 104 - Railways