2815475

Information

• Patent Grant
• 2815475

• References
• Source

• Patent Number

  2,815,475

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1957
  67 years ago

• CPC

  • H01L23/26 - including materials for absorbing or reacting with moisture or other undesired substances
  • H01L21/108 - Provision of discrete insulating layers
  • H01L2924/0002 - Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

• US Classifications

  • 257 - Active solid-state devices
  • 125 - Stone working
  • 524 - Synthetic resins or natural rubbers