2428013

Information

• Patent Grant
• 2428013

• References
• Source

• Patent Number

  2,428,013

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1947
  77 years ago

• CPC

  • H01J19/40 - Screens for shielding

• US Classifications

  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 313 - Electric lamp and discharge devices
  • 361 - Electricity: electrical systems and devices