3811166

Information

• Patent Grant
• 3811166

• References
• Source

• Patent Number

  3,811,166

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1974
  50 years ago

• CPC

  • B23P15/06 - piston rings from one piece
  • Y10T29/49279 - including rolling or die forming, e.g., drawing, punching
  • Y10T29/49284 - including machining or angular cutting
  • Y10T29/49297 - Seal or packing making

• US Classifications

  • 029 - Metal working