3511999

Information

• Patent Grant
• 3511999

• References
• Source

• Patent Number

  3,511,999

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1970
  54 years ago

• CPC

  • G01R31/3274 - Details related to measuring
  • G01R31/3275 - Fault detection or status indication
  • H01H33/423 - making use of an electromagnetic wave communication
  • H01H71/12 - Automatic release mechanisms with or without manual release
  • H02H1/0069 - by means of light or heat rays

• US Classifications

  • 250 - Radiant energy
  • 361 - Electricity: electrical systems and devices