334890

Information

• Patent Grant
• 334890

• References
• Source

• Patent Number

  334,890

• Date Filed

  Not available

• Date Issued

  Tuesday, January 26, 1886
  139 years ago

• CPC

  • H01H35/34 - actuated by diaphragm
  • Y10S200/16 - Gas detector

• US Classifications

  • 200 - Electricity: circuit makers and breakers