1417734

Information

• Patent Grant
• 1417734

• References
• Source

• Patent Number

  1,417,734

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1922
  102 years ago

• CPC

  • B60L7/12 - for vehicles propelled by dc motors
  • B60L2200/26 - Rail vehicles
  • Y10T307/729 - Condition responsive
  • Y10T307/819 - Torque

• US Classifications

  • 318 - Electricity: motive power systems
  • 307 - Electrical transmission or interconnection systems