2143579

Information

• Patent Grant
• 2143579

• References
• Source

• Patent Number

  2,143,579

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1939
  85 years ago

• CPC

  • H01J29/72 - along one straight line or along two perpendicular straight lines

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets