3407904

Information

• Patent Grant
• 3407904

• References
• Source

• Patent Number

  3,407,904

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1968
  56 years ago

• CPC

  • B66B1/30 - effective on driving gear
  • H02P7/347 - in which only the generator field is controlled

• US Classifications

  • 187 - Elevator, industrial lift truck, or stationary lift for vehicle
  • 318 - Electricity: motive power systems