3811304

Information

• Patent Grant
• 3811304

• References
• Source

• Patent Number

  3,811,304

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1974
  50 years ago

• CPC

  • B21B37/50 - by looper control
  • H02P5/485 - using differential movement of the two motors
  • B21B1/18 - in a continuous process

• US Classifications

  • 072 - Metal deforming
  • 226 - Advancing material of indeterminate length