2180331

Information

• Patent Grant
• 2180331

• References
• Source

• Patent Number

  2,180,331

• Date Filed

  Not available

• Date Issued

  Tuesday, November 14, 1939
  85 years ago

• CPC

  • B23D45/122 - for cutting slots in tubes
  • Y10T29/496 - Multiperforated metal article making
  • Y10T83/051 - Relative to same tool
  • Y10T83/8773 - Bevel or miter cut

• US Classifications

  • 083 - Cutting
  • 029 - Metal working