3670644

Information

• Patent Grant
• 3670644

• References
• Source

• Patent Number

  3,670,644

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1972
  52 years ago

• CPC

  • B21B37/60 - by control of a motor which drives an adjusting screw
  • H02P5/49 - by intermittently closing or opening electrical contacts

• US Classifications

  • 100 - Presses
  • 072 - Metal deforming