Bridge or tunnel construction

United States of America Patent

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Oct 4, 1994
Grant Date
N/A
app pub date
Mar 31, 1992
filing date
Apr 2, 1991

priority date (Note)
Expired

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Abstract

A bridge or tunnel construction consisting of one or more arch units (10), each unit formed from a pair of reinforced concrete arch segments (11 and 12) interconnected to form the crown of the arch unit with the arch unit or units being overlaid with a compacted interacting soil layer.

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Patent Owner(s)

Patent Owner	Address
CSR HUMES PTY LIMITED	LEVEL 6 12 MOUNT STREET NORTH SYDNEY NEW SOUTH WALES

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Walters, Darryl F	Brisbane, AU	1	9

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Bridge or tunnel construction

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07861257

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Patent Longevity Expired	Forward Citations

PATENT NO	5351353
SERIAL NO	07861257
DOCKET NO

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07861257

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Abstract

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