3705431

Information

• Patent Grant
• 3705431

• References
• Source

• Patent Number

  3,705,431

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1972
  52 years ago

• CPC

  • B63B22/00 - Buoys
  • B63B2205/04 - Having means to control payout
  • B63B2209/12 - with time-delay

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices