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Class 49/134 - Treadle on opposite approaches


Subclass of Class 49 - Movable or removable closures
Definition: Device which include either (1) two separate closures on
No. of patents: 2
Last issue date: 10/03/2006


NumberTitleIssue Date
7114873Adaptive security and protective barriers and traffic control speed bumps
A method for at least slowing a vehicle moving along a surface is provided. The method including; providing one or more panels capable of extending above the surface; and deploying the one or more panels from the surface into a position extended from the surface.
10/03/2006
6115964Vehicle activated collapsible gate
A gate structure is mounted for pivotal movement about a horizontal axis between a closed raised position and a lowered open position. A pair of operating mechanisms each include a horizontal member and a pair of support members. The horizontal members ar...
09/12/2000
 
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