3620113

Information

• Patent Grant
• 3620113

• References
• Source

• Patent Number

  3,620,113

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1971
  53 years ago

• CPC

  • B21D28/34 - Perforating tools Die holders
  • B21D45/02 - Ejecting devices
  • Y10T83/2066 - By fluid current
  • Y10T83/2129 - By means carried by cooperating cutter
  • Y10T83/2133 - By resiliently biased ejector
  • Y10T83/2159 - By spring means
  • Y10T83/9476 - Tool is single element with continuous cutting edge [e.g., punch, etc.]

• US Classifications

  • 083 - Cutting