2307447

Information

• Patent Grant
• 2307447

• References
• Source

• Patent Number

  2,307,447

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1943
  82 years ago

• CPC

  • H01F21/10 - by means of a movable shield

• US Classifications

  • 323 - Electricity: power supply or regulation systems
  • 333 - Wave transmission lines and networks
  • 336 - Inductor devices
  • 455 - Telecommunications