3414920

Information

• Patent Grant
• 3414920

• References
• Source

• Patent Number

  3,414,920

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1968
  57 years ago

• CPC

  • B63C9/155 - inflatable
  • B63C2009/133 - specially adapted for being attachable to the user's head or neck

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices