Battery charging system distinguishing primary and secondary batteries

United States of America Patent

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Sep 25, 2007
Grant Date
Jan 27, 2005
app pub date
Sep 18, 2003
filing date
Sep 19, 2002

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Expired

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Abstract

A remote battery charging system comprises an identifier (52) for identifying different battery types within a device (78) to a switch (46) for allowing or disallowing charging of the battery (13). The battery charging system is particularly suitable for hearing aids.

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Patent Owner(s)

Patent Owner	Address
QUALLION LLC	SYLMAR CA

International Classification(s)

H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Tan, PangHoo	Newhall, CA	1	54
Tskukamoto, Hisashi	Santa Clarita, CA	1	39

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Battery charging system distinguishing primary and secondary batteries

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10503913

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PATENT NO	7274168
APP PUB NO	20050017673A1
SERIAL NO	10503913
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
September 25, 2007	US,7274168,B2 US7274168B2	GRANTED PATENT AS SECOND PUBLICATION
January 27, 2005	US,20050017673,A1 US20050017673A1	FIRST PUBLISHED PATENT APPLICATION

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10503913

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