1493991

Information

• Patent Grant
• 1493991

• References
• Source

• Patent Number

  1,493,991

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1924
  100 years ago

• CPC

  • B63B9/06 - Methods of building hulls
  • B63B3/06 - the sub-units being substantially identical
  • B63B3/62 - Double bottom Tank tops
  • B63B5/16 - monolithic

• US Classifications

  • 114 - Ships
  • 052 - Static structures