2285504

Information

• Patent Grant
• 2285504

• References
• Source

• Patent Number

  2,285,504

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1942
  82 years ago

• CPC

  • H01J17/28 - Cooling arrangements

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 250 - Radiant energy
  • 313 - Electric lamp and discharge devices