3677539

Information

• Patent Grant
• 3677539

• References
• Source

• Patent Number

  3,677,539

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  52 years ago

• CPC

  • B63B35/73 - Other vessels or like floating structures for pleasure or sport
  • A63B67/007 - played in water
  • A63B7/04 - Climbing-ropes
  • A63B41/02 - Bladders
  • A63B2009/004 - Three-dimensional rope or cable networks
  • A63B2071/026 - stabilised by weight
  • A63B2225/605 - Floating
  • A63B2225/62 - Inflatable

• US Classifications

  • 472 - Amusement devices
  • 441 - Buoys, rafts, and aquatic devices