3701275

Information

• Patent Grant
• 3701275

• References
• Source

• Patent Number

  3,701,275

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1972
  53 years ago

• CPC

  • B23P15/065 - from metal strip
  • Y10T29/49249 - Piston making
  • Y10T29/49274 - Piston ring or piston packing making

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working