3548138

Information

• Patent Grant
• 3548138

• References
• Source

• Patent Number

  3,548,138

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1970
  54 years ago

• CPC

  • H03K17/968 - using opto-electronic devices
  • H01H13/12 - Movable parts Contacts mounted thereon
  • H01H35/148 - making use of a rolamite sensor

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 361 - Electricity: electrical systems and devices