Method for open pit bench mining

United States of America Patent

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Feb 5, 2013
Grant Date
Jul 8, 2010
app pub date
Mar 22, 2010
filing date
Sep 15, 2004

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Abstract

A bench mining method, particularly useful for open pit bench mining, which employs a combination of bulldozers and transversely movable apron feeders to provide the primary mechanism for removal of overburden.

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Patent Owner	Address
DRUMMOND COMPANY INC	1000 URBAN CENTER DRIVE SUITE 3709 BIRMINGHAM AL 35202

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E21C:MINING OR QUARRYING

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Inventor Name	Address	# of filed Patents	Total Citations
Anderson, Harold Gene	Jasper, US	2	8
Drummond, Garry N	Birmingham, US	2	8
Honeycutt, Eugene	Birmingham, US	2	8

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Method for open pit bench mining

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United States of America Patent

12728833

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PATENT NO	8366201
APP PUB NO	20100171360A1
SERIAL NO	12728833
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 05, 2013	US,8366201,B2 US8366201B2	GRANTED PATENT AS SECOND PUBLICATION
July 08, 2010	US,20100171360,A1 US20100171360A1	FIRST PUBLISHED PATENT APPLICATION

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12728833

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