Earmuff and headphone

United States of America Patent

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Nov 12, 2013
Grant Date
Jan 6, 2011
app pub date
Jun 23, 2010
filing date
Jul 6, 2009

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Abstract

An earmuff and a headphone includes: a headband; an ear cup attached to the headband; a baffle board fixed on the ear cup; an ear pad engaged to the baffle board. An air-permeable member provided between the baffle board and the ear pad.

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Patent Owner(s)

Patent Owner	Address
KABUSHIKI KAISHA AUDIO-TECHNICA	2206 NARUSE MICHIDA-SHI TOKYO

International Classification(s)

H04R:LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR ....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kimura, Tominori	Machida, JP	11	269

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Earmuff and headphone

Number of patents in Portfolio can not be more than 2000

United States of America Patent

12821868

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PATENT NO	8582796
APP PUB NO	20110002475A1
SERIAL NO	12821868
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 12, 2013	US,8582796,B2 US8582796B2	GRANTED PATENT AS SECOND PUBLICATION
January 06, 2011	US,20110002475,A1 US20110002475A1	FIRST PUBLISHED PATENT APPLICATION

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12821868

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