Expandable face mask with reinforcing netting

US9012013B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9012013-B2
Application numberUS-33809108-A
CountryUS
Kind codeB2
Filing dateDec 18, 2008
Priority dateDec 18, 2008
Publication dateApr 21, 2015
Grant dateApr 21, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

Herein are disclosed face masks that are provided in a generally flat configuration and are capable of being expanded to a cup-shaped configuration. Such masks comprise at least one porous layer that comprises at least one pleat and that is capable of being expanded by at least partially unfolding the at least one pleat. The mask further comprises reinforcing netting laminated to the outer surface of the porous layer.

First claim

Opening claim text (preview).

What is claimed is: 1. A flat-folded, pleated face mask that is expandable into a cup shape for fitting over the mouth and nose of a person, comprising: a porous layer comprising at least a first major surface that faces generally outward when the mask is expanded into a cup shape and that comprises reinforcing netting that is laminated to at least a portion of the first major surface of the porous layer so as to comprise the outermost, convex surface of the expanded mask, wherei…

Assignees

Inventors

Classifications

  • Operations & Transport · mapped topic

  • Cross-Sectional Technologies · mapped topic

  • A62B18/025Primary

    Human Necessities · mapped topic

  • Cross-Sectional Technologies · mapped topic

  • Operations & Transport · mapped topic

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What does patent US9012013B2 cover?
Herein are disclosed face masks that are provided in a generally flat configuration and are capable of being expanded to a cup-shaped configuration. Such masks comprise at least one porous layer that comprises at least one pleat and that is capable of being expanded by at least partially unfolding the at least one pleat. The mask further comprises reinforcing netting laminated to the outer surf…
Who is the assignee on this patent?
Duffy Dean R, 3M Innovative Properties Co
What technology area does this patent fall under?
Primary CPC classification A62B18/025. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue Apr 21 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).