2403817

Information

• Patent Grant
• 2403817

• References
• Source

• Patent Number

  2,403,817

• Date Filed

  Not available

• Date Issued

  Tuesday, July 9, 1946
  78 years ago

• CPC

  • E21F13/065 - Scrapers

• US Classifications

  • 414 - Material or article handling
  • 172 - Earth working