2897395

Information

• Patent Grant
• 2897395

• References
• Source

• Patent Number

  2,897,395

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1959
  65 years ago

• CPC

  • H01J19/00 - Details of vacuum tubes of the types covered by group H01J21/00
  • H01J2893/0025 - by winding wire upon a support

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 140 - Wireworking
  • 228 - Metal fusion bonding
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 445 - Electric lamp or space discharge component or device manufacturing