3713571

Information

• Patent Grant
• 3713571

• References
• Source

• Patent Number

  3,713,571

• Date Filed

  Not available

• Date Issued

  Tuesday, January 30, 1973
  52 years ago

• CPC

  • B65H23/1884 - with step-by-step advancement
  • B21D43/021 - Control or correction devices in association with moving strips

• US Classifications

  • 226 - Advancing material of indeterminate length
  • 250 - Radiant energy