3890771

Information

• Patent Grant
• 3890771

• References
• Source

• Patent Number

  3,890,771

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1975
  49 years ago

• CPC

  • B63B5/24 - made predominantly of plastics
  • A01D44/00 - Harvesting of underwater plants
  • B63B35/00 - Vessels or like floating structures adapted for special purposes
  • B63H7/02 - using propellers
  • Y02T70/143 - Materials

• US Classifications

  • 056 - Harvesters
  • 114 - Ships
  • 440 - Marine propulsion