1839334

Information

• Patent Grant
• 1839334

• References
• Source

• Patent Number

  1,839,334

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1932
  93 years ago

• CPC

  • B21B47/02 - for folding sheets before rolling
  • Y10T29/30 - Foil or other thin sheet-metal making or treating

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working