3406802

Information

• Patent Grant
• 3406802

• References
• Source

• Patent Number

  3,406,802

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1968
  56 years ago

• CPC

  • F16P3/14 - the means being photocells or other devices sensitive without mechanical contact
  • F16P3/148 - using capacitive technology
  • Y10S200/21 - Pencil, counter or dispenser operated
  • Y10T307/766 - Condition responsive

• US Classifications

  • 192 - Clutches and power-stop control
  • 200 - Electricity: circuit makers and breakers
  • 307 - Electrical transmission or interconnection systems
  • 324 - Electricity: measuring and testing
  • 340 - Communications: electrical