3573977

Information

• Patent Grant
• 3573977

• References
• Source

• Patent Number

  3,573,977

• Date Filed

  Not available

• Date Issued

  Tuesday, April 6, 1971
  53 years ago

• CPC

  • F03H1/0043 - characterised by the acceleration grid
  • C23D5/00 - Coating with enamels or vitreous layers
  • H01J19/00 - Details of vacuum tubes of the types covered by group H01J21/00
  • H01J2893/0024 - Planar grids
  • Y10T428/24331 - including nonapertured component

• US Classifications

  • 427 - Coating processes
  • 060 - Power plants
  • 428 - Stock material or miscellaneous articles