Concrete bridge

United States of America Patent

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Sep 20, 2011
Grant Date
Mar 18, 2010
app pub date
Sep 16, 2008
filing date
Sep 16, 2008

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Abstract

An improved prestressed concrete bridge having internal and external tensioning tendons which follow approximately similar pathways which are not straight.

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Patent Owner(s)

Patent Owner	Address
LAWRENCE TECHNOLOGICAL UNIVERSITY	21000 WEST TEN MILE ROAD SOUTHFIELD MI 48075-1058

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E01D:BRIDGES

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Grace, Nabil F	Rochester Hills, US	6	73

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Concrete bridge

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United States of America Patent

12211160

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PATENT NO	8020235
APP PUB NO	20100064454A1
SERIAL NO	12211160
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
September 20, 2011	US,8020235,B2 US8020235B2	GRANTED PATENT AS SECOND PUBLICATION
March 18, 2010	US,20100064454,A1 US20100064454A1	FIRST PUBLISHED PATENT APPLICATION

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