Title:
Nasal mask cushion
United States Patent D423096


Inventors:
Kwok, Philip R. (West Pymble, AU)
Application Number:
29/076269
Publication Date:
04/18/2000
Filing Date:
08/25/1997
Assignee:
ResMed Limited (North Ryde, AU)
Primary Class:
Field of Search:
D24/110.1, D24/110.4, D24/110.5, 128/207.13, 128/207.12, 128/207.18, 128/206.28, 128/206.24, 128/205.25
View Patent Images:
US Patent References:
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Other References:
Mask 1 Photographs, Respironics Inc., Reusable Full Mask (small) Part # 452033 Lot #951108.
Mask 2 Photographs, Puritan--Bennett, Adam Curcuit, Shell Part # 231700, Swivel Part # 616329-00, Pillows (medium) Part #616324.
Mask 3, Photographs, DeVilbiss Healthcare Inc., DeVilbiss Seal-Ring and CPAP Mask Kit (medium), Part 73510-669.
Mask 4 Photographs, Respironics Inc., Monarch Mini Mask with Pressure Port. Part # 572004, Monarch Headgear, Part # 572011.
Mask 5 Photographs, Healthdyne Technologies, Nasal CPAP Mask (medium narrow), Part # 702510.
Mask 6 Photographs, Healthdyne Technologies, Soft Series Nasal CPAP Mask, Part # 702020.
Mask 7 Photographs, DeVilbiss Healthcare Inc., Small Mask and Seal Rings, Part # 73510-668.
Mask 8 Photographs, Respironics Inc., Reusable Contour Mask (medium), Part # 302180.
Mask 9 Photographs, Healthdyne Technologies, Healthdyne Large Headgear.
Mask 10 Photographs, Respironics Inc., Soft Cap (medium), Part # 302142.
Mask 11 Photographs, Weinmann: Hamburg, Nasalmaskensystem mit Schalldampfer (medium), Part # WN 23105.
Mask 12 Photographs, Life Care.
Mask 13 Photographs, Healthdyne Technologies.
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Primary Examiner:
SIMMONS, IAN
Attorney, Agent or Firm:
NIXON & VANDERHYE, PC (901 NORTH GLEBE ROAD, 11TH FLOOR, ARLINGTON, VA, 22203, US)
Claims:
1. The ornamental design for a nasal mask cushion, as shown and described.

Description:

FIG. 1 is a top plan view of a nasal mask cushion of the present invention.

FIG. 2 is a bottom plan view of a nasal mask cushion of the present invention.

FIG. 3 is a front view of a nasal mask cushion of the present invention.

FIG. 4 is a perspective view of a nasal mask cushion of the present invention.

FIG. 5 is a rear view of a nasal mask cushion of the present invention; and,

FIG. 6 is a right side view of a nasal mask cushion of the present invention, the left side view being a mirror image thereto.