2218688

Information

• Patent Grant
• 2218688

• References
• Source

• Patent Number

  2,218,688

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1940
  84 years ago

• CPC

  • B63B3/60 - with curved or corrugated plating
  • B63B3/14 - Hull parts
  • B63B2701/08 - Electric and fusion welding for ships

• US Classifications

  • 114 - Ships