3644777

Information

• Patent Grant
• 3644777

• References
• Source

• Patent Number

  3,644,777

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  52 years ago

• CPC

  • H01J29/708 - in which the transit time of the electrons has to be taken into account
  • H01J31/121 - tubes for oscillography

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices
  • 333 - Wave transmission lines and networks