3144667

Information

• Patent Grant
• 3144667

• References
• Source

• Patent Number

  3,144,667

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1964
  61 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