2490876

Information

• Patent Grant
• 2490876

• References
• Source

• Patent Number

  2,490,876

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1949
  75 years ago

• CPC

  • B63B22/16 - specially adapted for marking a navigational route
  • B63B2205/04 - Having means to control payout
  • B63B2207/02 - Variable ballast or buoyancy

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices
  • 043 - Fishing, trapping, and vermin destroying