3461293

Information

• Patent Grant
• 3461293

• References
• Source

• Patent Number

  3,461,293

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1969
  54 years ago

• CPC

  • H01J47/10 - Spark counters

• US Classifications

  • 250 - Radiant energy
  • 313 - Electric lamp and discharge devices