2165309

Information

• Patent Grant
• 2165309

• References
• Source

• Patent Number

  2,165,309

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1939
  85 years ago

• CPC

  • H02M1/28 - incorporating electromagnetically-operated vibrating contacts

• US Classifications

  • 363 - Electric power conversion systems
  • 307 - Electrical transmission or interconnection systems