2818858

Information

• Patent Grant
• 2818858

• References
• Source

• Patent Number

  2,818,858

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1958
  67 years ago

• CPC

  • B63C9/125 - having gas-filled compartments
  • B63C11/02 - Divers' equipment
  • B63C11/2236 - Functionally interdependent first/second-stage regulators
  • B63C2011/026 - Diving harnesses, or the like

• US Classifications

  • 128 - Surgery
  • 441 - Buoys, rafts, and aquatic devices