3474318

Information

• Patent Grant
• 3474318

• References
• Source

• Patent Number

  3,474,318

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1969
  55 years ago

• CPC

  • H02K23/20 - having additional brushes spaced intermediately of the main brushes on the commutator
  • H02K23/16 - having angularly adjustable excitation field

• US Classifications

  • 318 - Electricity: motive power systems