2579557

Information

• Patent Grant
• 2579557

• References
• Source

• Patent Number

  2,579,557

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1951
  73 years ago

• CPC

  • H01L21/12 - Application of an electrode to the exposed surface of the selenium or tellurium after the selenium or tellurium has been applied to the foundation plate
  • Y10T29/435 - Solid dielectric type

• US Classifications

  • 257 - Active solid-state devices
  • 029 - Metal working