3747550

Information

• Patent Grant
• 3747550

• References
• Source

• Patent Number

  3,747,550

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1973
  51 years ago

• CPC

  • B63B5/24 - made predominantly of plastics
  • B63B3/38 - Keels
  • B63B2035/009 - Wind propelled vessels comprising arrangements, installations or devices specially adapted therefor, other than wind propulsion arrangements, installations, or devices, such as sails, running rigging, or the like, and other than sailboards or the like or related equipment
  • Y02T70/143 - Materials

• US Classifications

  • 114 - Ships