Patent
   D248497
Priority
May 20 1976
Filed
May 20 1976
Issued
Jul 11 1978
Expiry
Jul 11 1992
Assg.orig
Entity
unknown
89
7
n/a
The ornamental design for a disposable respirator, as shown and described.

FIG. 1 is a front perspective, of a respirator embodying my new design;

FIG. 2 is an elevational view of one side of the respirator, the opposite side being of substantially the same appearance;

FIG. 3 is a top plan view of the respirator; and

FIG. 4 is a rear elevational view thereof.

Slosek, Patrick F.

Patent Priority Assignee Title
10058671, Oct 22 2001 RESMED HUMIDIFICATION TECHNOLOGIES GMBH Application device for a breathing mask arrangement
10137270, Oct 04 2005 ResMed Pty Ltd Cushion to frame assembly mechanism
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10195385, Sep 07 2001 ResMed Pty Ltd Forehead pad for respiratory mask
10245403, Oct 22 2001 RESMED HUMIDIFICATION TECHNOLOGIES GMBH Breathing mask arrangement as well as an application device and a forehead support device for same
10434273, Oct 14 2005 ResMed Pty Ltd Cushion to frame assembly mechanism
10576314, Jul 17 2014 3M Innovative Properties Company Respirator including contrast layer
10596342, Oct 19 2000 RESMED HUMIDIFICATION TECHNOLOGIES GMBH Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas
10751496, Mar 04 2008 ResMed Pty Ltd Mask system with shroud
10864342, Jan 30 2007 ResMed Pty Ltd Mask with removable headgear connector
11052211, Oct 25 2005 ResMed Pty Ltd Interchangeable mask assembly
11077274, Mar 04 2008 ResMed Pty Ltd Mask system with snap-fit shroud
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11529486, Mar 04 2008 ResMed Pty Ltd Mask system with shroud having extended headgear connector arms
11529487, Oct 14 2005 ResMed Pty Ltd Cushion to frame assembly mechanism
11529488, Mar 04 2008 ResMed Pty Ltd Mask system with snap-fit shroud
11596757, Oct 25 2005 ResMed Pty Ltd Interchangeable mask assembly
11633564, Oct 14 2005 ResMed Pty Ltd Cushion to frame assembly mechanism
11833277, Mar 04 2008 ResMed Pty Ltd Mask system with snap-fit shroud
11833305, Oct 14 2005 ResMed Pty Ltd Cushion/frame assembly for a patient interface
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8505535, May 02 2003 ResMed Pty Ltd Mask system
8517023, Jan 30 2007 ResMed Pty Ltd Mask system with interchangeable headgear connectors
8522784, Mar 04 2008 ResMed Pty Ltd Mask system
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8550084, Mar 04 2008 ResMed Pty Ltd Mask system
8746250, Oct 19 2000 RESMED HUMIDIFICATION TECHNOLOGIES GMBH Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas
8875710, Oct 22 2001 RESMED HUMIDIFICATION TECHNOLOGIES GMBH Application device for a breathing mask arrangement
8905034, Nov 05 2010 Salutaris LLP Ergonomic protective air filtration devices and methods for manufacturing the same
8944061, Oct 14 2005 ResMed Limited Cushion to frame assembly mechanism
8960196, Jan 30 2007 ResMed Pty Ltd Mask system with interchangeable headgear connectors
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9027556, Mar 04 2008 ResMed Limited Mask system
9072853, Sep 07 2001 ResMed R&D Germany GmbH Forehead pad for respiratory mask
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9662467, Oct 19 2000 RESMED HUMIDIFICATION TECHNOLOGIES GMBH Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas
9757533, Mar 04 2008 ResMed Pty Ltd Mask system with snap-fit shroud
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9868002, Jul 17 2014 3M Innovative Properties Company Respirator including contrast layer
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D928304, May 07 2020 Face mask with adjustable ear loops
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May 20 1976American Optical Corporation(assignment on the face of the patent)
May 13 1982American Optical CorporationAO,INC A CORP OF DE ASSIGNMENT OF ASSIGNORS INTEREST 0040560229 pdf
May 28 1982AO, INC A DE CORP WARNER-LAMBERT TECHNOLOGIES, INC , A TX CORP CONDITIONAL ASSIGNMENT SEE DOCUMENT FOR DETAILS 0040410934 pdf
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Apr 06 1990American Optical CorporationAO, INC , A DE CORP ASSIGNMENT OF ASSIGNORS INTEREST 0052740156 pdf
Apr 13 1990BANK OF NEW YORK, THE FORMERLY KNOWN AS IRVING TRUST COMPANY American Optical CorporationRELEASED BY SECURED PARTY SEE DOCUMENT FOR DETAILS 0055350035 pdf
Apr 13 1990BANK OF NEW YORK, THE FORMERLY KNOWN AS IRVING TRUST COMPANY RADIAC ABRASIVES EAST INC RELEASED BY SECURED PARTY SEE DOCUMENT FOR DETAILS 0055350035 pdf
Apr 13 1990BANK OF NEW YORK, THE FORMERLY KNOWN AS IRVING TRUST COMPANY RADIAC ABRASIVES WEST INC RELEASED BY SECURED PARTY SEE DOCUMENT FOR DETAILS 0055350035 pdf
May 15 1990AO, INC Cabot Safety CorporationASSIGNMENT OF ASSIGNORS INTEREST 0055350024 pdf
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