1312333

Information

• Patent Grant
• 1312333

• References
• Source

• Patent Number

  1,312,333

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1919
  105 years ago

• CPC

  • B21D39/12 - with rollers for expanding and flanging
  • Y10T29/47 - Burnishing

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working