2308925

Information

• Patent Grant
• 2308925

• References
• Source

• Patent Number

  2,308,925

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1943
  81 years ago

• CPC

  • H02P9/20 - due to variation of continuously-variable ohmic resistance

• US Classifications

  • 318 - Electricity: motive power systems
  • 323 - Electricity: power supply or regulation systems
  • 338 - Electrical resistors
  • 361 - Electricity: electrical systems and devices