2800929

Information

• Patent Grant
• 2800929

• References
• Source

• Patent Number

  2,800,929

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1957
  67 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

  • 140 - Wireworking