2121421

Information

• Patent Grant
• 2121421

• References
• Source

• Patent Number

  2,121,421

• Date Filed

  Not available

• Date Issued

  Tuesday, June 21, 1938
  86 years ago

• CPC

  • H02M1/28 - incorporating electromagnetically-operated vibrating contacts

• US Classifications

  • 363 - Electric power conversion systems