1758575

Information

• Patent Grant
• 1758575

• References
• Source

• Patent Number

  1,758,575

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1930
  95 years ago

• CPC

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

• US Classifications

  • 029 - Metal working