1680400

Information

• Patent Grant
• 1680400

• References
• Source

• Patent Number

  1,680,400

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1928
  96 years ago

• CPC

  • H01H29/006 - Self interrupters
  • Y10T307/872 - Repetitive make and break

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 307 - Electrical transmission or interconnection systems
  • 340 - Communications: electrical
  • 361 - Electricity: electrical systems and devices