2132277

Information

• Patent Grant
• 2132277

• References
• Source

• Patent Number

  2,132,277

• Date Filed

  Not available

• Date Issued

  Tuesday, October 4, 1938
  86 years ago

• CPC

  • H04Q3/00 - Selecting arrangements
  • G08C19/20 - operating on dynamo-electric devices

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 340 - Communications: electrical