2223497

Information

• Patent Grant
• 2223497

• References
• Source

• Patent Number

  2,223,497

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1940
  84 years ago

• CPC

  • B21D31/046 - making use of rotating cutters
  • Y10T29/18 - Expanded metal making
  • Y10T83/7701 - Supporting surface and tool axis angularly related
  • Y10T83/7718 - Presser co-axial with tool
  • Y10T83/783 - Tool pair comprises contacting overlapped discs

• US Classifications

  • 083 - Cutting
  • 029 - Metal working