2270479

Information

• Patent Grant
• 2270479

• References
• Source

• Patent Number

  2,270,479

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1942
  82 years ago

• CPC

  • H03B11/06 - by mechanical interrupter

• US Classifications

  • 178 - Telegraphy
  • 307 - Electrical transmission or interconnection systems
  • 361 - Electricity: electrical systems and devices