2088305

Information

• Patent Grant
• 2088305

• References
• Source

• Patent Number

  2,088,305

• Date Filed

  Not available

• Date Issued

  Tuesday, July 27, 1937
  86 years ago

• CPC

  • H01H47/14 - for differential operation of the relay

• US Classifications

  • 379 - Telephonic communications
  • 307 - Electrical transmission or interconnection systems