2972072

Information

• Patent Grant
• 2972072

• References
• Source

• Patent Number

  2,972,072

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1961
  63 years ago

• CPC

  • H01J31/40 - having grid-like image screen through which the electron ray passes and by which the ray is influenced before striking the output electrode
  • H01J31/48 - Tubes with amplification of output effected by electron multiplier arrangements within the vacuum space

• US Classifications

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