1858267

Information

• Patent Grant
• 1858267

• References
• Source

• Patent Number

  1,858,267

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1932
  92 years ago

• CPC

  • H03F3/20 - Power amplifiers
  • Y10T307/898 - Vibrating relay

• US Classifications

  • 323 - Electricity: power supply or regulation systems
  • 307 - Electrical transmission or interconnection systems
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 361 - Electricity: electrical systems and devices