1455689

Information

• Patent Grant
• 1455689

• References
• Source

• Patent Number

  1,455,689

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1923
  101 years ago

• CPC

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

• US Classifications

  • 414 - Material or article handling