3677213

Information

• Patent Grant
• 3677213

• References
• Source

• Patent Number

  3,677,213

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  51 years ago

• CPC

  • B60V1/046 - the walls or a part of them being rigid
  • B60V3/065 - hulls therefor

• US Classifications

  • 114 - Ships