Railway boxcar door operating unit

United States of America Patent

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Jun 3, 2003
Grant Date
May 29, 2003
app pub date
Nov 27, 2001
filing date
Nov 27, 2001

priority date (Note)
Expired

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Abstract

A door operating apparatus is provided for safely and efficiently opening and/or closing a side door of a railway boxcar by moving a door engagement member laterally.

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Patent Owner(s)

CASCADE CORPORATION

International Classification(s)

B66D:CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HO....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Brosh, James E	Beaverton, OR	1	7
Campbell, Brian D	Vancouver, WA	10	49
Dixon, Thomas E	Vancouver, WA	2	34
Estep, Richard R	Vancouver, WA	2	8
Marshal, Larry D	Estacada, OR	1	7

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Railway boxcar door operating unit

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09995329

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PATENT NO	6572082
APP PUB NO	20030098451A1
SERIAL NO	09995329
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
June 03, 2003	US,6572082,B1 US6572082B1	GRANTED PATENT AS FIRST PUBLICATION
May 29, 2003	US,20030098451,A1 US20030098451A1	FIRST PUBLISHED PATENT APPLICATION

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09995329

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