2221982

Information

• Patent Grant
• 2221982

• References
• Source

• Patent Number

  2,221,982

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1940
  84 years ago

• CPC

  • H02K49/08 - of the collector armature type

• US Classifications

  • 310 - Electrical generator or motor structure
  • 322 - Electricity: single generator systems