3815867

Information

• Patent Grant
• 3815867

• References
• Source

• Patent Number

  3,815,867

• Date Filed

  Not available

• Date Issued

  Tuesday, June 11, 1974
  50 years ago

• CPC

  • B63C11/22 - carried by diver
  • G05D16/0622 - characterised by the form of the obturator

• US Classifications

  • 251 - Valves and valve actuation