3309643

Information

• Patent Grant
• 3309643

• References
• Source

• Patent Number

  3,309,643

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1967
  58 years ago

• CPC

  • H05B3/688 - Fabrication of the plates
  • H05B3/141 - Conductive ceramics
  • Y10T428/12021 - having composition or density gradient or differential porosity
  • Y10T428/12146 - Nonmetal particles in a component
  • Y10T428/12486 - Laterally noncoextensive components [e.g., embedded, etc.]

• US Classifications

  • 338 - Electrical resistors
  • 219 - Electric heating
  • 252 - Compositions
  • 419 - Powder metallurgy processes
  • 428 - Stock material or miscellaneous articles