3831539

Information

• Patent Grant
• 3831539

• References
• Source

• Patent Number

  3,831,539

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1974
  50 years ago

• CPC

  • B63H9/06 - Construction or types of sails Arrangements thereof on vessels
  • B62B15/001 - propelled by sails
  • B62B15/003 - having floats
  • B63B15/02 - Staying of masts or of other superstructures
  • B63H25/06 - Steering by rudders
  • B63B2001/145 - having means for actively varying hull shape or configuration

• US Classifications

  • 114 - Ships
  • 280 - Land vehicles