2129947

Information

• Patent Grant
• 2129947

• References
• Source

• Patent Number

  2,129,947

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1938
  86 years ago

• CPC

  • H01L21/167 - Application of a non-genetic conductive layer
  • Y10T29/49204 - Contact or terminal manufacturing
  • Y10T428/21 - Circular sheet or circular blank

• US Classifications

  • 257 - Active solid-state devices
  • 029 - Metal working
  • 338 - Electrical resistors
  • 428 - Stock material or miscellaneous articles
  • 438 - Semiconductor device manufacturing: process
  • 439 - Electrical connectors