2278371

Information

• Patent Grant
• 2278371

• References
• Source

• Patent Number

  2,278,371

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1942
  82 years ago

• CPC

  • H03J5/248 - using electromechanical means
  • H04B1/03 - Constructional details

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 334 - Tuners
  • 455 - Telecommunications