2605438

Information

• Patent Grant
• 2605438

• References
• Source

• Patent Number

  2,605,438

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1952
  72 years ago

• CPC

  • H01J17/46 - for preventing and then permitting ignition but thereafter having no control

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 252 - Compositions