3352729

Information

• Patent Grant
• 3352729

• References
• Source

• Patent Number

  3,352,729

• Date Filed

  Not available

• Date Issued

  Tuesday, November 14, 1967
  57 years ago

• CPC

  • H01J19/00 - Details of vacuum tubes of the types covered by group H01J21/00
  • H01J2893/0024 - Planar grids
  • Y10T29/49155 - Manufacturing circuit on or in base

• US Classifications

  • 216 - Etching a substrate: processes
  • 029 - Metal working
  • 228 - Metal fusion bonding
  • 430 - Radiation imagery chemistry: process, composition, or product thereof