2692421

Information

• Patent Grant
• 2692421

• References
• Source

• Patent Number

  2,692,421

• Date Filed

  Not available

• Date Issued

  Tuesday, October 26, 1954
  70 years ago

• CPC

  • B21D1/00 - Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom Stretching sheet metal combined with rolling
  • B21C23/06 - Making sheets
  • B21C35/03 - Straightening the work
  • Y10S29/047 - Extruding with other step
  • Y10T29/49629 - Panel

• US Classifications

  • 029 - Metal working
  • 072 - Metal deforming