2978389

Information

• Patent Grant
• 2978389

• References
• Source

• Patent Number

  2,978,389

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1961
  63 years ago

• CPC

  • H01J29/025 - Mounting or supporting arrangements for grids
  • B21F33/02 - Mounting of wire network on frames
  • C25D1/08 - Perforated or foraminous objects
  • H01B1/02 - mainly consisting of metals or alloys
  • H01J19/00 - Details of vacuum tubes of the types covered by group H01J21/00
  • H01J2893/0022 - Manufacture

• US Classifications

  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions