1432073

Information

• Patent Grant
• 1432073

• References
• Source

• Patent Number

  1,432,073

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1922
  102 years ago

• CPC

  • B21D28/28 - in tubes or other hollow bodies
  • B21D28/285 - punching outwards
  • Y10T83/398 - Internal tool is an active cutter

• US Classifications

  • 072 - Metal deforming
  • 083 - Cutting