1801652

Information

• Patent Grant
• 1801652

• References
• Source

• Patent Number

  1,801,652

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1931
  93 years ago

• CPC

  • E02F3/56 - with hand-controlled scraper or other digging elements

• US Classifications

  • 037 - Excavating
  • 033 - Geometrical instruments