3728572

Information

• Patent Grant
• 3728572

• References
• Source

• Patent Number

  3,728,572

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1973
  51 years ago

• CPC

  • H01K1/50 - Selection of substances for gas fillings Specified pressure thereof
  • H01K1/54 - Means for absorbing or absorbing gas, or for preventing or removing efflorescence
  • Y02B20/12 - Halogen lamps

• US Classifications

  • 313 - Electric lamp and discharge devices