2681886

Information

• Patent Grant
• 2681886

• References
• Source

• Patent Number

  2,681,886

• Date Filed

  Not available

• Date Issued

  Tuesday, June 22, 1954
  69 years ago

• CPC

  • H01J29/416 - with a matrix of electrical conductors traversing the target

• US Classifications

  • 204 - Chemistry: electrical and wave energy
  • 313 - Electric lamp and discharge devices
  • 427 - Coating processes