3475650

Information

• Patent Grant
• 3475650

• References
• Source

• Patent Number

  3,475,650

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1969
  55 years ago

• CPC

  • H01J23/027 - Collectors
  • H01J41/12 - Discharge tubes for evacuating by diffusion of ions
  • H01J41/16 - using gettering substances
  • H01J41/20 - using gettering substances

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices