1758719

Information

• Patent Grant
• 1758719

• References
• Source

• Patent Number

  1,758,719

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1930
  94 years ago

• CPC

  • B22D15/02 - of cylinders, pistons, bearing shells or like thin-walled objects
  • Y10T29/49277 - including casting or molding
  • Y10T29/49284 - including machining or angular cutting
  • Y10T29/53904 - Means comprising piston ring group contractor or holder

• US Classifications

  • 029 - Metal working