1136312

Information

• Patent Grant
• 1136312

• References
• Source

• Patent Number

  1,136,312

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1915
  109 years ago

• CPC

  • H01H43/30 - with timing of actuation of contacts due to thermal action
  • G05D23/306 - using semiconductor devices

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 318 - Electricity: motive power systems