Drop-down face mask assembly

United States of America Patent

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Oct 1, 2002
Issued Date
N/A
app pub date
Apr 3, 2000
filing date
Oct 3, 1997

priority date (Note)
Expired

status (Latency Note)

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Abstract

An improved face mask that is retained by a carriage and harness assembly, thereby allowing the face mask to drop down from the face of the wearer.

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Patent Owner(s)

Patent Owner	Address
3M INNOVATIVE PROPERTIES COMPANY	P O BOX 33427 ST PAUL MN 55133-3427

International Classification(s)

A62B:DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Brostrom, Gerald M	Burnsville, MN	16	1193
Byram, David C	River Falls, WI	28	1302

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Drop-down face mask assembly

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09541858

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Patent Longevity Expired	Forward Citations

PATENT NO	6457473
SERIAL NO	09541858
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09541858

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Abstract

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Family

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