2421086

Information

• Patent Grant
• 2421086

• References
• Source

• Patent Number

  2,421,086

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1947
  77 years ago

• CPC

  • H01J29/78 - along a circle, spiral or rotating radial line

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 310 - Electrical generator or motor structure
  • 315 - Electric lamp and discharge devices: systems