1497309

Information

• Patent Grant
• 1497309

• References
• Source

• Patent Number

  1,497,309

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1924
  101 years ago

• CPC

  • H02J7/241 - using discharge tubes only

• US Classifications

  • 320 - Electricity: battery or capacitor charging or discharging
  • 322 - Electricity: single generator systems
  • 363 - Electric power conversion systems