3646797

Information

• Patent Grant
• 3646797

• References
• Source

• Patent Number

  3,646,797

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  53 years ago

• CPC

  • B23P15/065 - from metal strip
  • B21D53/16 - rings
  • B21D53/84 - other parts for engines

• US Classifications

  • 072 - Metal deforming