3771809

Information

• Patent Grant
• 3771809

• References
• Source

• Patent Number

  3,771,809

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1973
  51 years ago

• CPC

  • B63C13/00 - Equipment forming part of or attachable to vessels facilitating transport over land
  • B62B2202/403 - Boats or other water vehicles
  • B62B2202/404 - Golf articles
  • B62B2202/408 - Outboard motors
  • B62B2202/60 - Motors
  • B62B2301/04 - comprising a wheel pivotable about a substantially vertical axis
  • B62B2301/252 - by using ball-shaped wheels
  • Y10S280/07 - Air bag rollers

• US Classifications

  • 280 - Land vehicles
  • 114 - Ships