2822302

Information

• Patent Grant
• 2822302

• References
• Source

• Patent Number

  2,822,302

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1958
  67 years ago

• CPC

  • H01J19/00 - Details of vacuum tubes of the types covered by group H01J21/00
  • H01J2893/0023 - carbonising and other surface treatments
  • Y10T428/12139 - Nonmetal particles in particulate component
  • Y10T428/12861 - Group VIII or IB metal-base component

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 075 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures