3271849

Information

• Patent Grant
• 3271849

• References
• Source

• Patent Number

  3,271,849

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1966
  58 years ago

• CPC

  • H01J19/00 - Details of vacuum tubes of the types covered by group H01J21/00
  • B21C37/042 - Manufacture of coated wire or bars
  • B22F7/06 - of composite workpieces or articles from parts
  • B23K20/233 - without ferrous layer
  • B32B15/018 - one layer being formed of a noble metal or a noble metal alloy
  • H01B1/02 - mainly consisting of metals or alloys
  • H01J19/30 - characterised by the material
  • H01J2893/0019 - Chemical composition and manufacture
  • H01J2893/002 - chemical
  • H01J2893/0022 - Manufacture
  • H01J2893/0023 - carbonising and other surface treatments
  • Y10T428/12063 - Nonparticulate metal component
  • Y10T428/12833 - Alternative to or next to each other
  • Y10T428/12875 - Platinum group metal-base component

• US Classifications

  • 419 - Powder metallurgy processes
  • 428 - Stock material or miscellaneous articles