3484742

Information

• Patent Grant
• 3484742

• References
• Source

• Patent Number

  3,484,742

• Date Filed

  Not available

• Date Issued

  Tuesday, December 16, 1969
  55 years ago

• CPC

  • G08G1/085 - using a free-running cyclic timer

• US Classifications

  • 340 - Communications: electrical