3380420

Information

• Patent Grant
• 3380420

• References
• Source

• Patent Number

  3,380,420

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1968
  56 years ago

• CPC

  • B63C7/12 - by bringing air or floating bodies or material into vessels or objects

• US Classifications

  • 114 - Ships