689438

Information

• Patent Grant
• 689438

• References
• Source

• Patent Number

  689,438

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1901
  123 years ago

• CPC

  • H01G9/18 - Self-interrupters
  • H01H43/32 - with timing of actuation of contacts due to electrolytic processes with timing of actuation of contacts due to chemical processes

• US Classifications

  • 361 - Electricity: electrical systems and devices