1922829

Information

• Patent Grant
• 1922829

• References
• Source

• Patent Number

  1,922,829

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1933
  91 years ago

• CPC

  • B66C13/26 - by ac motors
  • B66C2700/081 - with ac motors
  • Y10T307/812 - Differential speed between two bodies

• US Classifications

  • 318 - Electricity: motive power systems
  • 049 - Movable or removable closures
  • 200 - Electricity: circuit makers and breakers
  • 307 - Electrical transmission or interconnection systems
  • 361 - Electricity: electrical systems and devices