2217327

Information

• Patent Grant
• 2217327

• References
• Source

• Patent Number

  2,217,327

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1940
  84 years ago

• CPC

  • E21B43/086 - Screens with preformed openings
  • Y10S403/02 - Metal treatment
  • Y10T29/496 - Multiperforated metal article making

• US Classifications

  • 029 - Metal working
  • 166 - Wells
  • 403 - Joints and connections