3174072

Information

• Patent Grant
• 3174072

• References
• Source

• Patent Number

  3,174,072

• Date Filed

  Not available

• Date Issued

  Tuesday, March 16, 1965
  59 years ago

• CPC

  • H01J31/14 - Magic-eye or analogous tuning indicators

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices
  • 324 - Electricity: measuring and testing
  • 334 - Tuners