3913199

Information

• Patent Grant
• 3913199

• References
• Source

• Patent Number

  3,913,199

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1975
  49 years ago

• CPC

  • F16J9/02 - L-section rings
  • B23P15/06 - piston rings from one piece
  • Y10T29/49279 - including rolling or die forming, e.g., drawing, punching

• US Classifications

  • 029 - Metal working
  • 451 - Abrading