3633260

Information

• Patent Grant
• 3633260

• References
• Source

• Patent Number

  3,633,260

• Date Filed

  Not available

• Date Issued

  Tuesday, January 11, 1972
  53 years ago

• CPC

  • B23P15/065 - from metal strip
  • B21D53/16 - rings
  • B21D53/84 - other parts for engines
  • Y10T29/49279 - including rolling or die forming, e.g., drawing, punching

• US Classifications

  • 029 - Metal working