2205475

Information

• Patent Grant
• 2205475

• References
• Source

• Patent Number

  2,205,475

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1940
  84 years ago

• CPC

  • H01J21/02 - Tubes with a single discharge path
  • H03D1/26 - by means of transit-time tubes

• US Classifications

  • 455 - Telecommunications
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems
  • 342 - Communications: directive radio wave systems and devices
  • 343 - Communications: radio wave antennas