3612880

Information

• Patent Grant
• 3612880

• References
• Source

• Patent Number

  3,612,880

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1971
  52 years ago

• CPC

  • H01J47/10 - Spark counters

• US Classifications

  • 250 - Radiant energy
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems