3913511

Information

• Patent Grant
• 3913511

• References
• Source

• Patent Number

  3,913,511

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1975
  49 years ago

• CPC

  • B63B35/12 - having ice-cutters
  • B63H1/38 - characterised solely by flotation properties

• US Classifications

  • 114 - Ships