2171891

Information

• Patent Grant
• 2171891

• References
• Source

• Patent Number

  2,171,891

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1939
  85 years ago

• CPC

  • B21D28/08 - Zig-zag sequence working
  • Y10T83/4488 - In one of certain selected directions
  • Y10T83/626 - Operation of member controlled by means responsive to position of element remote from member [e.g., interlock]
  • Y10T83/6571 - With means to store work articles

• US Classifications

  • 083 - Cutting