1919633

Information

• Patent Grant
• 1919633

• References
• Source

• Patent Number

  1,919,633

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1933
  91 years ago

• CPC

  • H02M1/30 - incorporating liquid contacts
  • Y10T307/872 - Repetitive make and break

• US Classifications

  • 363 - Electric power conversion systems
  • 200 - Electricity: circuit makers and breakers
  • 307 - Electrical transmission or interconnection systems