Metal-graphite brush

United States of America Patent

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Jan 5, 2010
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May 8, 2008
app pub date
Nov 5, 2007
filing date
Nov 8, 2006

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Abstract

The metal-graphite brush of the present invention contains graphite, a metal, a lubricant, and bismuth or bismuth oxide in an amount of 1.0 wt. % to 3.0 wt. %. For example, the metal is copper, and the lubricant is molybdenum sulfide.

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Patent Owner(s)

Patent Owner	Address
MABUCHI MOTOR CO LTD	430 MATSUHIDAI MATSUDO CITY CHIBA 2702280

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Inventor Name	Address	# of filed Patents	Total Citations
Nakayama, Shinichi	Matsudo, JP	66	864
Shiraki, Satoko	Matsudo, JP	2	9

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Metal-graphite brush

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United States of America Patent

11934953

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PATENT NO	7642688
APP PUB NO	20080107860A1
SERIAL NO	11934953
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
January 05, 2010	US,7642688,B2 US7642688B2	GRANTED PATENT AS SECOND PUBLICATION
May 08, 2008	US,20080107860,A1 US20080107860A1	FIRST PUBLISHED PATENT APPLICATION

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11934953

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