3869891

Information

• Patent Grant
• 3869891

• References
• Source

• Patent Number

  3,869,891

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1975
  49 years ago

• CPC

  • B21B37/54 - including coiler drive control
  • B21B37/46 - Roll speed or drive motor control
  • B21B2273/06 - Threading

• US Classifications

  • 072 - Metal deforming