3271661

Information

• Patent Grant
• 3271661

• References
• Source

• Patent Number

  3,271,661

• Date Filed

  Not available

• Date Issued

  Tuesday, September 6, 1966
  58 years ago

• CPC

  • H01J41/08 - with ionisation by means of radioactive substances

• US Classifications

  • 324 - Electricity: measuring and testing
  • 250 - Radiant energy
  • 313 - Electric lamp and discharge devices