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US Patent 8157471 Combined guardrail and cable safety systems

Patent 8157471 was granted and assigned to Trinity Industries, Inc. on April, 2012 by the United States Patent and Trademark Office.

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Patent
Patent
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Patent attributes

Current Assignee
Trinity Industries, Inc.
Trinity Industries, Inc.
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
81574710
Patent Inventor Names
Elzard Sikkema0
Charles R. Norton0
Don J. Gripne0
Peter Bergendahl0
Date of Patent
April 17, 2012
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Patent Application Number
127039810
Date Filed
February 11, 2010
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Patent Citations Received
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US Patent 12123215 Vertical cable rail barrier
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US Patent 12000166 Horizontal cable rail barrier
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Patent Primary Examiner
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Gary S. Hartmann
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Patent abstract

A combined guardrail and cable safety system is disclosed. In one aspect, the present invention teaches a safety barrier including a plurality of cable posts spaced from each other and disposed adjacent to a roadway. At least two cables are releasably engaged with and supported by the cable posts. The cable posts and the two cables cooperate with each other to prevent a vehicle from leaving the roadway. A plurality of guardrail posts are spaced from each other and disposed adjacent to the roadway longitudinally spaced from the plurality of cable post. A guardrail beam is fixedly coupled to the plurality of guardrail posts and including slots. The two cables extend from the cable posts through respective slots formed in the guardrail beam permitting each cable to engage a respective cable anchor bracket securely fastened to a portion of the guardrail beam.

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