Rapidly deployable traffic screen
Patent 5269623 Issued on December 14, 1993. Estimated Expiration Date: 
March 23, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 23, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3332176 3877681 Portable expandable barrier Inflatable sign Inflatable tubular structure Multi-piece inflatable device Traffic safety device Patent #: 5152092 InventorApplicationNo. 855874 filed on 03/23/1992US Classes:404/6, TRAFFIC STEERING DEVICE OR BARRIER40/612, Highway or street marker52/2.18, Intersecting tubular elements form framework256/13.1HIGHWAY GUARDExaminersPrimary: Neuder, William P.Attorney, Agent or FirmInternational ClassG09F 015/00AbstractA sight barrier or screen is disclosed herein for temporarily obstructing oncoming motorists' view from accident scenes which includes an elongated screen or shield having a stowed position deployable into an operative position by inflation of tubular or conduit members. A main or base conduit is included having outwardly projected leg members for supporting the screen or shield in the operative position and further having upwardly projecting stanchions in spaced-apart relationship supporting a plurality of sight barriers therebetween. A source of pressurized gas is operably connected to the main base conduit for rapid deployment of the shield into its operative position and ground engaging or retention devices are included for holding the shield in place at the accident site.Field of SearchTRAFFIC STEERING DEVICE OR BARRIERTRAFFIC DIRECTOR MISCELLANEOUS HIGHWAY GUARD Fabrics Collapsible Highway or street marker Intersecting tubular elements form framework Supported on rigid-walled structure Sheetlike member comprising plural, edge-joined sections Including hold down means Comprising strandlike element | |
