3739335

Information

• Patent Grant
• 3739335

• References
• Source

• Patent Number

  3,739,335

• Date Filed

  Not available

• Date Issued

  Tuesday, June 12, 1973
  51 years ago

• CPC

  • G08G1/085 - using a free-running cyclic timer
  • G08G1/00 - Traffic control systems for road vehicles
  • G08G1/081 - Plural intersections under common control
  • H03K17/292 - in thyristor, unijunction transistor or programmable unijunction transistor switches

• US Classifications

  • 340 - Communications: electrical
  • 434 - Education and demonstration