357310

Information

• Patent Grant
• 357310

• References
• Source

• Patent Number

  357,310

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1887
  138 years ago

• CPC

  • G04C13/06 - Contact devices

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 200 - Electricity: circuit makers and breakers