3325782

Information

• Patent Grant
• 3325782

• References
• Source

• Patent Number

  3,325,782

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1967
  57 years ago

• CPC

  • G08G1/075 - Ramp control
  • E01F13/105 - depressible by right-way traffic
  • E01F13/123 - depressible or retractable below the traffic surface

• US Classifications

  • 340 - Communications: electrical
  • 049 - Movable or removable closures
  • 404 - Road structure, process, or apparatus