3551771

Information

• Patent Grant
• 3551771

• References
• Source

• Patent Number

  3,551,771

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1970
  54 years ago

• CPC

  • H02P7/281 - the DC motor being operated in four quadrants
  • B66C13/24 - by dc motors

• US Classifications

  • 318 - Electricity: motive power systems