USD575390S1 - Exhalation valve filter - Google Patents

Exhalation valve filter Download PDF

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Publication number
USD575390S1
USD575390S1 US29/233,287 US23328705F USD575390S US D575390 S1 USD575390 S1 US D575390S1 US 23328705 F US23328705 F US 23328705F US D575390 S USD575390 S US D575390S
Authority
US
United States
Prior art keywords
exhalation valve
valve filter
filter
view
exhalation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US29/233,287
Inventor
Chris W. Scott
Derek A. Parkin
Abigail L. Curtis
Lawrie D. Coote
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Priority to US29/233,287 priority Critical patent/USD575390S1/en
Assigned to 3M INNOVATIVE PROPERTIES COMPANY reassignment 3M INNOVATIVE PROPERTIES COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: COOTE, LAWRIE D., CURTIS, ABIGAIL L., PARKIN, DEREK A., SCOTT, CHRIS W.
Application granted granted Critical
Publication of USD575390S1 publication Critical patent/USD575390S1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

FIG. 1 is a perspective view, showing the new design for an exhalation valve filter; the filter is in the form of a nonwoven fibrous web and covers the exhalation valve on a respiratory mask;
FIG. 2 is a rear view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a right side view thereof, the left side view being a mirror image of the right side view.
The broken line showing forms no part of the claimed design, and the shading is provided to illustrate contour only and is not an indication of texture, gloss, etc.

Claims (1)

  1. The ornamental design for an exhalation valve filter, as shown and described.
US29/233,287 2005-06-30 2005-06-30 Exhalation valve filter Expired - Lifetime USD575390S1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US29/233,287 USD575390S1 (en) 2005-06-30 2005-06-30 Exhalation valve filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29/233,287 USD575390S1 (en) 2005-06-30 2005-06-30 Exhalation valve filter

Publications (1)

Publication Number Publication Date
USD575390S1 true USD575390S1 (en) 2008-08-19

Family

ID=39687763

Family Applications (1)

Application Number Title Priority Date Filing Date
US29/233,287 Expired - Lifetime USD575390S1 (en) 2005-06-30 2005-06-30 Exhalation valve filter

Country Status (1)

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US (1) USD575390S1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080271740A1 (en) * 2007-05-03 2008-11-06 3M Innovative Properties Company Maintenance-free flat-fold respirator that includes a graspable tab
US20080271739A1 (en) * 2007-05-03 2008-11-06 3M Innovative Properties Company Maintenance-free respirator that has concave portions on opposing sides of mask top section
USD746439S1 (en) * 2013-12-30 2015-12-29 Kimberly-Clark Worldwide, Inc. Combination valve and buckle set for disposable respirators
USD899585S1 (en) * 2017-10-12 2020-10-20 Jsp Limited Respiratory mask
USD936208S1 (en) * 2020-04-01 2021-11-16 Markus BINDHAMMER Respiratory mask
US11904191B2 (en) 2007-05-03 2024-02-20 3M Innovative Properties Company Anti-fog respirator

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080271740A1 (en) * 2007-05-03 2008-11-06 3M Innovative Properties Company Maintenance-free flat-fold respirator that includes a graspable tab
US20080271739A1 (en) * 2007-05-03 2008-11-06 3M Innovative Properties Company Maintenance-free respirator that has concave portions on opposing sides of mask top section
US10827787B2 (en) 2007-05-03 2020-11-10 3M Innovative Properties Company Maintenance-free respirator that has concave portions on opposing sides of mask top section
US11877604B2 (en) 2007-05-03 2024-01-23 3M Innovative Properties Company Maintenance-free respirator that has concave portions on opposing sides of mask top section
US11904191B2 (en) 2007-05-03 2024-02-20 3M Innovative Properties Company Anti-fog respirator
USD746439S1 (en) * 2013-12-30 2015-12-29 Kimberly-Clark Worldwide, Inc. Combination valve and buckle set for disposable respirators
USD899585S1 (en) * 2017-10-12 2020-10-20 Jsp Limited Respiratory mask
USD936208S1 (en) * 2020-04-01 2021-11-16 Markus BINDHAMMER Respiratory mask

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