3220199

Information

• Patent Grant
• 3220199

• References
• Source

• Patent Number

  3,220,199

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1965
  59 years ago

• CPC

  • H01L35/16 - comprising tellurium or selenium or sulfur
  • B21C23/002 - Extruding materials of special alloys so far as the composition of the alloy requires or permits special extruding methods of sequences
  • B21C23/004 - using vibratory energy
  • B21C23/211 - Press driving devices
  • F25B1/02 - with compressor of reciprocating-piston type
  • F25B21/02 - using Peltier effect using Nernst-Ettinghausen effect

• US Classifications

  • 062 - Refrigeration
  • 072 - Metal deforming
  • 136 - Batteries: thermoelectric and photoelectric
  • 419 - Powder metallurgy processes