1385345

Information

• Patent Grant
• 1385345

• References
• Source

• Patent Number

  1,385,345

• Date Filed

  Not available

• Date Issued

  Tuesday, July 19, 1921
  104 years ago

• CPC

  • B23P15/06 - piston rings from one piece
  • Y10T29/49275 - including forging or hammering

• US Classifications

  • 029 - Metal working