3678339

Information

• Patent Grant
• 3678339

• References
• Source

• Patent Number

  3,678,339

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  52 years ago

• CPC

  • H02H1/0069 - by means of light or heat rays
  • G01R15/14 - Adaptations providing voltage or current isolation
  • G02B6/442 - Insulators
  • H01H33/423 - making use of an electromagnetic wave communication

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 322 - Electricity: single generator systems
  • 333 - Wave transmission lines and networks