2977488

Information

• Patent Grant
• 2977488

• References
• Source

• Patent Number

  2,977,488

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1961
  63 years ago

• CPC

  • H02P7/066 - using a periodic interrupter

• US Classifications

  • 307 - Electrical transmission or interconnection systems
  • 318 - Electricity: motive power systems
  • 323 - Electricity: power supply or regulation systems
  • 361 - Electricity: electrical systems and devices