Patent
   D458993
Priority
Aug 10 1999
Filed
Apr 10 2001
Issued
Jun 18 2002
Expiry
Jun 18 2016
Assg.orig
Entity
unknown
9
39
n/a
The ornamental design for a nasal mask, as shown and described.

FIG. 1 is a front perspective view of a nasal mask showing our new design;

FIG. 2 is another perspective view thereof, taken from the rear;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof, the left side elevational view being a similar thereto;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The portions drawn in broken lines are shown for illustrative purposes only and do not form part of the claimed design.

Kopacko, Ralph E., Paul, Zachary D., Miceli, Jr., Joseph M.

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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 10 2001Respironics, Inc.(assignment on the face of the patent)
Jun 27 2002Respironics, IncRIC Investments, IncDIVIDEND FROM SUBSIDIARY TO PARENT0167410570 pdf
Mar 17 2004RIC Investments, IncRIC Investments, LLCCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0167470177 pdf
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