3489408

Information

• Patent Grant
• 3489408

• References
• Source

• Patent Number

  3,489,408

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1970
  54 years ago

• CPC

  • A63B22/02 - with movable endless bands
  • A63B69/0093 - for surfing
  • G09B9/066 - Sailing; Surfing
  • A63B69/0066 - for wind-surfing

• US Classifications

  • 472 - Amusement devices
  • 434 - Education and demonstration
  • 482 - Exercise devices