1780056

Information

• Patent Grant
• 1780056

• References
• Source

• Patent Number

  1,780,056

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1930
  94 years ago

• CPC

  • H01G9/16 - specially for use as rectifiers or detectors

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 252 - Compositions