3839978

Information

• Patent Grant
• 3839978

• References
• Source

• Patent Number

  3,839,978

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1974
  50 years ago

• CPC

  • G09B9/066 - Sailing; Surfing
  • B63B35/73 - Other vessels or like floating structures for pleasure or sport
  • B63H9/04 - using sails or like wind-catching surfaces

• US Classifications

  • 114 - Ships