2156015

Information

• Patent Grant
• 2156015

• References
• Source

• Patent Number

  2,156,015

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1939
  85 years ago

• CPC

  • B21D28/08 - Zig-zag sequence working
  • Y10T83/0505 - With reorientation of work between cuts
  • Y10T83/764 - Retractable
  • Y10T83/7673 - Spaced edges
  • Y10T83/872 - With guard means

• US Classifications

  • 072 - Metal deforming
  • 083 - Cutting
  • 188 - Brakes