2893489

Information

• Patent Grant
• 2893489

• References
• Source

• Patent Number

  2,893,489

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1959
  65 years ago

• CPC

  • B21D28/145 - with means for slug retention
  • B21D28/34 - Perforating tools Die holders
  • Y10T83/9425 - Tool pair

• US Classifications

  • 083 - Cutting