3467778

Information

• Patent Grant
• 3467778

• References
• Source

• Patent Number

  3,467,778

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1969
  55 years ago

• CPC

  • H04B3/60 - Systems for communication between relatively movable stations
  • H04B1/1607 - Supply circuits
  • H04B1/1623 - using tubes

• US Classifications

  • 379 - Telephonic communications