1338815

Information

• Patent Grant
• 1338815

• References
• Source

• Patent Number

  1,338,815

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1920
  104 years ago

• CPC

  • B63B5/16 - monolithic
  • B63B3/22 - with corrugations
  • B63B3/24 - Means for diminishing external ridges of protrusions

• US Classifications

  • 114 - Ships