2824991

Information

• Patent Grant
• 2824991

• References
• Source

• Patent Number

  2,824,991

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1958
  66 years ago

• CPC

  • H01J61/14 - having one or more carbon compounds as the principal constituents
  • H01J47/06 - Proportional counter tubes

• US Classifications

  • 313 - Electric lamp and discharge devices