3622852

Information

• Patent Grant
• 3622852

• References
• Source

• Patent Number

  3,622,852

• Date Filed

  Not available

• Date Issued

  Tuesday, November 23, 1971
  53 years ago

• CPC

  • D06F37/304 - Electric speed control; Arrangements or adaptations of electric motors
  • H02P7/293 - using phase control
  • Y02B40/52 - Motor speed control of drum or pumps
  • Y10S388/918 - Trigger by unijunction transistor

• US Classifications

  • 388 - Electricity: motor control systems