1972528

Information

• Patent Grant
• 1972528

• References
• Source

• Patent Number

  1,972,528

• Date Filed

  Not available

• Date Issued

  Tuesday, September 4, 1934
  90 years ago

• CPC

  • H02M1/20 - Contact mechanisms of dynamic converters

• US Classifications

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