3814417

Information

• Patent Grant
• 3814417

• References
• Source

• Patent Number

  3,814,417

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1974
  50 years ago

• CPC

  • A63B22/0023 - the inclination of the main axis of the movement path being adjustable
  • A63B69/18 - for skiing
  • A63C5/04 - Structure of the surface thereof
  • A63C5/0422 - Longitudinal guiding grooves
  • A63B22/0257 - Mechanical systems therefor
  • A63B22/0285 - Physical characteristics of the belt

• US Classifications

  • 472 - Amusement devices
  • 280 - Land vehicles