1680493

Information

• Patent Grant
• 1680493

• References
• Source

• Patent Number

  1,680,493

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1928
  96 years ago

• CPC

  • B22D27/11 - making use of mechanical pressing devices
  • Y10T29/49979 - After deforming

• US Classifications

  • 029 - Metal working