1680830

Information

• Patent Grant
• 1680830

• References
• Source

• Patent Number

  1,680,830

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1928
  97 years ago

• CPC

  • B21D53/66 - spades shovels
  • Y10T29/27 - Plow or cultivator iron making

• US Classifications

  • 029 - Metal working
  • 076 - Metal tools and implements, making
  • 172 - Earth working