3145740

Information

• Patent Grant
• 3145740

• References
• Source

• Patent Number

  3,145,740

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1964
  60 years ago

• CPC

  • H01J19/00 - Details of vacuum tubes of the types covered by group H01J21/00
  • H01J2893/0026 - Machines for manufacture of grids or anodes

• US Classifications

  • 140 - Wireworking