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Patent
   D540462
Priority
Oct 06 2003
Filed
Apr 05 2004
Issued
Apr 10 2007
Expiry
Apr 10 2021
Inventors
Groeneveld…
Assg.orig
Prolex B.V.
Assg.curr
PROLEX B V
Entity
unknown
Referenced by
11
References
4
Maint.:
n/a
The ornamental design for a device for widening of the nasal passage, as shown.

FIG. 1 is a side view of a device for widening of the nasal passage in accordance with the present invention;

FIG. 2 is a perspective view thereof;

FIG. 3 is a top view thereof; and,

FIG. 4 is a front view thereof.
INVENTORS:

Groeneveld, Ruud

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
11278443, Oct 07 2019 Apparatus for maintaining open nasal airflow
D572361, May 27 2005 NASAL-AIR, CORP Nasal dilator
D670382, Feb 21 2012 NASAL-AIR CORPORATION Nasal dilator
D726312, Jan 21 2013 ASAP Breatheassist Pty LTD Nasal dilator device
D754850, Jun 20 2014 ASAP Breatheassist Pty LTD Nasal dilator device
D754851, Jun 20 2014 ASAP Breatheassist Pty LTD Nasal dilator device
D759239, Dec 06 2013 ASAP Breatheassist Pty LTD Nasal dilator device
D774648, Jul 18 2013 ASAP Breatheassist Pty LTD Nasal dilator device
D788913, Jan 30 2015 ASAP Breatheassist Pty LTD Nasal dilator device
D915585, Apr 23 2019 Nasal dilator
D944981, Jul 28 2020 Nasal dilator
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
20020177871,
D380264, May 17 1989 PATENT DEVELOPMENT AND INVESTMENT S A Nasal dilator
D430667, Oct 15 1998 DURBIN, HAROLD E Tapered ring nasal passage dilation device
D438967, Apr 20 2000 Nostril dilator
ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 05 2004Prolex B.V.(assignment on the face of the patent)
May 27 2004GROENEVELD, RUUDPROLEX B V ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0156310942 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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