1776136

Information

• Patent Grant
• 1776136

• References
• Source

• Patent Number

  1,776,136

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1930
  94 years ago

• CPC

  • H02P1/34 - by progressive reduction of impedance in secondary circuit

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets