3488521

Information

• Patent Grant
• 3488521

• References
• Source

• Patent Number

  3,488,521

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1970
  55 years ago

• CPC

  • H02P27/026 - whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
  • B66F9/24 - Electrical devices or systems
  • B66C2700/085 - Control actuators
  • H01H9/0066 - Auxiliary contact devices
  • H01H9/0214 - Hand-held casings
  • H01H13/72 - wherein the switch has means for limiting the number of operating members that can concurrently be in the actuated position

• US Classifications

  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems