3682021

Information

• Patent Grant
• 3682021

• References
• Source

• Patent Number

  3,682,021

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1972
  52 years ago

• CPC

  • B21K11/08 - sickles scythes
  • B21D53/647 - mower blades
  • B21K19/00 - Making articles for agricultural machinery

• US Classifications

  • 076 - Metal tools and implements, making
  • 056 - Harvesters