Patent
   D502261
Priority
Aug 10 1999
Filed
May 03 2001
Issued
Feb 22 2005
Expiry
Feb 22 2019
Assg.orig
Entity
unknown
12
39
n/a
The ornamental design for a nasal mask, as shown and described.

FIG. 1 is a perspective view of a nasal mask in accordance with our new design, the broken line showing is for illustrative purposes only and forms no part of the claimed design.

FIG. 2 is an additional perspective view of a nasal mask in accordance with our new design.

FIG. 3 is a front view of the nasal mask shown in FIG. 1.

FIG. 4 is a side view of the nasal mask shown in FIG. 1. The opposite side is similar and not separately illustrated herein.

FIG. 5 is a back view of the nasal mask shown in FIG. 1.

FIG. 6 is a top view of the nasal mask shown in FIG. 1; and,

FIG. 7 is a bottom view of the nasal mask shown in FIG. 1.

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

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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 03 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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