8955221

Information

• Patent Grant
• 8955221

• References
• Source

• Patent Number

  8,955,221

• Date Filed

  Not available

• Date Issued

  Tuesday, February 17, 2015
  10 years ago

• CPC

  • B23P15/06 - piston rings from one piece
  • F16J9/206 - One-piece oil-scraping rings