3716739

Information

• Patent Grant
• 3716739

• References
• Source

• Patent Number

  3,716,739

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1973
  51 years ago

• CPC

  • H01J29/484 - Eliminating deleterious effects due to thermal effects, electrical or magnetic fields; Preventing unwanted emission
  • H01J3/026 - Eliminating deleterious effects due to thermal effects, electric or magnetic field
  • H01J3/027 - Construction of the gun or parts thereof
  • H01J29/82 - Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements

• US Classifications

  • 313 - Electric lamp and discharge devices