3246350

Information

• Patent Grant
• 3246350

• References
• Source

• Patent Number

  3,246,350

• Date Filed

  Not available

• Date Issued

  Tuesday, April 19, 1966
  58 years ago

• CPC

  • B63C9/155 - inflatable
  • B63C11/16 - with air supply by suction from diver
  • B63C2009/133 - specially adapted for being attachable to the user's head or neck
  • B63C2011/165 - comprising two or more air ducts leading from the mouthpiece to the air inlet or outlet opening

• US Classifications

  • 128 - Surgery