1340589

Information

• Patent Grant
• 1340589

• References
• Source

• Patent Number

  1,340,589

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1920
  104 years ago

• CPC

  • B28D3/005 - Tools therefor

• US Classifications

  • 125 - Stone working
  • 037 - Excavating