2221429

Information

• Patent Grant
• 2221429

• References
• Source

• Patent Number

  2,221,429

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1940
  84 years ago

• CPC

  • B21D53/00 - Making other particular articles
  • Y10T24/4636 - with connection allowing component to revolve about axis of held penetrating portion
  • Y10T29/496 - Multiperforated metal article making

• US Classifications

  • 029 - Metal working
  • 024 - Buckles, buttons, clasps, etc.