2226692

Information

• Patent Grant
• 2226692

• References
• Source

• Patent Number

  2,226,692

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1940
  84 years ago

• CPC

  • H03J5/248 - using electromechanical means
  • G08C19/20 - operating on dynamo-electric devices

• US Classifications

  • 340 - Communications: electrical
  • 334 - Tuners
  • 455 - Telecommunications