1392027

Information

• Patent Grant
• 1392027

• References
• Source

• Patent Number

  1,392,027

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1921
  104 years ago

• CPC

  • B23P9/00 - Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact
  • Y10T29/49275 - including forging or hammering

• US Classifications

  • 029 - Metal working