Double floor structure

United States of America Patent

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Feb 17, 2009
Grant Date
Jun 9, 2005
app pub date
Jan 31, 2003
filing date
Feb 5, 2002

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Expired

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Abstract

Thus, a double floor structure which is inexpensive, has a high stiffness, good workability, and offers a high vibration-damping performance can be provided.

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Patent Owner(s)

Patent Owner	Address
OBAYASHI CORPORATION	15-2 KONAN 2-CHOME MINATO-KU TOKYO 1088502

International Classification(s)

E04B:GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTIT....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Igarashi, Kenji	Inzai , JP	28	472
Kishi, Hiroyuki	Tokyo, JP	65	1392
Nakamura, Mitsuru	Tokorozawa , JP	82	1426
Teramura, Akira	Tokyo, JP	3	35

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Double floor structure

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United States of America Patent

10503270

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PATENT NO	7490439
APP PUB NO	20050120650A1
SERIAL NO	10503270
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 17, 2009	US,7490439,B2 US7490439B2	GRANTED PATENT AS SECOND PUBLICATION
June 09, 2005	US,20050120650,A1 US20050120650A1	FIRST PUBLISHED PATENT APPLICATION

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10503270

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