Cleaning device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9078547
APP PUB NO 20130174364A1
SERIAL NO

13821866

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Disclosed is a cleaning device that comprises a first arm portion with an adjustable length, a first cleaning portion, a second arm portion supporting the first cleaning portion, and a rotating adjustable portion located between the first arm portion and the second arm portion, the first arm portion being rotatable in a predefined range about the second arm portion.

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First Claim

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Family

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Patent Owner(s)

Patent OwnerAddress
3M INNOVATIVE PROPERTIES COMPANYPO BOX 33427 ST PAUL MN 55133-3427

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cheng, Liang Shanghai, CN 89 333
Vella, Gianmauro Shanghai, CN 9 50
Zeng, Feng Shanghai, CN 35 189

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 14, 2027
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