3086430

Information

• Patent Grant
• 3086430

• References
• Source

• Patent Number

  3,086,430

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1963
  61 years ago

• CPC

  • E01F13/046 - the obstructing members moving up in a translatory motion
  • E01F9/594 - movable for reuse at different locations
  • E01F9/646 - extensible, collapsible or pivotable

• US Classifications

  • 404 - Road structure, process, or apparatus
  • 049 - Movable or removable closures