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Publication numberUSD424688 S
Publication typeGrant
Application numberUS 29/079,353
Publication dateMay 9, 2000
Filing dateNov 7, 1997
Publication number079353, 29079353, US D424688 S, US D424688S, US-S-D424688, USD424688 S, USD424688S
InventorsJohn W. Bryant, Christopher P. Henderson, Desmond T. Curran, James F. Dyrud
Original Assignee3M Innovative Properties Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Respiratory protection mask
US D424688 S
Images(3)
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Claims(1)
  1. The ornamental design for a respiratory protection mask, as shown and described.
Description

FIG. 1 is a perspective view of a respiratory protection mask showing the new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a top elevational view thereof.

FIG. 5 is a bottom elevational view thereof; and,

FIG. 6 is a right elevational view thereof. The left side is a mirror image of the right side.

Non-Patent Citations
Reference
1Glendale Optical Company Product Literature for "Glendale Respiratory Protection" (Feb. 1983).
2Racal Health & Safety Product Literature for "Delta™ Disposable Respirators" (1993).
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6460539Sep 21, 2000Oct 8, 20023M Innovative Properties CompanyRespirator that includes an integral filter element, an exhalation valve, and impactor element
US6484722Apr 12, 2001Nov 26, 20023M Innovative Properties CompanyFlat-folded personal respiratory protection devices and processes for preparing same
US6536434Aug 14, 2000Mar 25, 20033M Innovative Properties CompanyFlat-folded personal respiratory protection devices and processes for preparing same
US6568392Dec 22, 1998May 27, 20033M Innovative Properties CompanyFlat-folded personal respiratory protection devices and processes for preparing same
US6715489Sep 19, 2002Apr 6, 20043M Innovative Properties CompanyProcesses for preparing flat-folded personal respiratory protection devices
US6722366Mar 25, 2003Apr 20, 20043M Innovative Properties CompanyMethod of making a flat-folded personal respiratory protection device
US6886563Mar 11, 2004May 3, 20053M Innovative Properties CompanyFlat-folded personal respiratory protection devices and processes for preparing same
US7069930Feb 28, 2005Jul 4, 20063M Innovative Properties CompanyFlat-folded personal respiratory protection devices and processes for preparing same
US7503326Dec 22, 2005Mar 17, 20093M Innovative Properties CompanyFiltering face mask with a unidirectional valve having a stiff unbiased flexible flap
US8146594Dec 17, 2009Apr 3, 20123M Innovative Properties CompanyFlat-folded personal respiratory protection devices
US8365771Dec 16, 2009Feb 5, 20133M Innovative Properties CompanyUnidirectional valves and filtering face masks comprising unidirectional valves
US8375950Apr 17, 2006Feb 19, 20133M Innovative Properties CompanyFlat-folded personal respiratory protection devices and processes for preparing same
US8757156Oct 13, 2008Jun 24, 20143M Innovative Properties CompanyFace mask with unidirectional multi-flap valve
US8794238Dec 28, 2010Aug 5, 20143M Innovative Properties CompanySplash-fluid resistant filtering face-piece respirator
Classifications
U.S. ClassificationD24/110.1