3454927

Information

• Patent Grant
• 3454927

• References
• Source

• Patent Number

  3,454,927

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1969
  56 years ago

• CPC

  • G08C19/14 - using combination of fixed frequencies
  • B66C13/40 - Applications of devices for transmitting control pulses Applications of remote control devices
  • B66C2700/088 - Remote control of electric cranes

• US Classifications

  • 340 - Communications: electrical
  • 318 - Electricity: motive power systems
  • 367 - Communications, electrical: acoustic wave systems and devices