2108640

Information

• Patent Grant
• 2108640

• References
• Source

• Patent Number

  2,108,640

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1938
  86 years ago

• CPC

  • H01J21/04 - without control means
  • H01J25/70 - with resonator having distributed inductance with capacitance
  • H01J25/74 - Tubes specially designed to act as transit-time diode oscillators
  • H03B9/01 - using discharge tubes
  • H03C7/02 - in transmission line, waveguide, cavity resonator, or radiation field of aerial

• US Classifications

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