1387590

Information

• Patent Grant
• 1387590

• References
• Source

• Patent Number

  1,387,590

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1921
  103 years ago

• CPC

  • E02F3/12 - Component parts
  • E02F3/081 - mounted on floating substructures

• US Classifications

  • 037 - Excavating