3725771

Information

• Patent Grant
• 3725771

• References
• Source

• Patent Number

  3,725,771

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1973
  52 years ago

• CPC

  • G05F1/153 - controlled by discharge tubes or semiconductor devices

• US Classifications

  • 323 - Electricity: power supply or regulation systems
  • 318 - Electricity: motive power systems