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US Patent 6851429 Face masks

Patent 6851429 was granted and assigned to Smiths Group PLC on February, 2005 by the United States Patent and Trademark Office.

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Contents

Is a
Patent
Patent
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Patent attributes

Patent Applicant
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Current Assignee
Smiths Group PLC
Smiths Group PLC
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
68514290
Patent Inventor Names
Giles Andrew Bishop0
Date of Patent
February 8, 2005
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Patent Application Number
101429780
Date Filed
May 13, 2002
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Patent Citations Received
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US Patent 12070552 Foam-based interfacing structure
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US Patent D1025346 Liner for respirator mask
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US Patent 11992618 Mask with headgear and rigidizers
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US Patent 11998695 Liner and retaining member for use with respiratory mask
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US Patent 12011540 Cushion/frame sub-assembly connectable to outer frame
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US Patent 11833277 Mask system with snap-fit shroud
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US Patent 11833305 Cushion/frame assembly for a patient interface
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US Patent D1012277 Liner for respirator mask
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...
Patent Primary Examiner
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Glenn K. Dawson
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Patent abstract

A face mask is provided in two parts. One part is an adhesive ring that is secured around the nose and mouth of the user. The other part is a transparent canopy with a gas port that is a removable clip fit with the ring. When ventilation is not required, the canopy is removed, leaving the ring in position. The canopy can be clipped back onto the ring when ventilation is required.

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