2241157

Information

• Patent Grant
• 2241157

• References
• Source

• Patent Number

  2,241,157

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1941
  83 years ago

• CPC

  • G08C19/20 - operating on dynamo-electric devices

• US Classifications

  • 455 - Telecommunications
  • 318 - Electricity: motive power systems
  • 340 - Communications: electrical
  • 341 - Coded data generation or conversion