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Patent
   D564658
Priority
Nov 22 2002
Filed
Mar 01 2007
Issued
Mar 18 2008
Expiry
Mar 18 2022
Inventors
Anderson, …
Assg.orig
DENOVO DEN…
Assg.curr
DENOVO DEN…
Entity
unknown
Referenced by
16
References
19
Maint.:
n/a
The ornamental design for an apparatus for maintaining a dry field during dental procedures, as shown and described.

FIG. 1 is a front perspective view of an apparatus showing my new design.

FIG. 2 is a top plan view thereof.

FIG. 3 is a right side elevational view thereof, with the left side elevational view being a mirror image of FIG. 3.

FIG. 4 is front elevational view thereof.

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.
INVENTORS:

Anderson, Ross William

THIS PATENT IS REFERENCED BY THESE PATENTS:
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10016258, Mar 15 2013 Ultradent Products, INC Cheek and lip expansion device and method
10307049, Sep 26 2007 Ultradent Products, Inc. Methods, devices, systems, assemblies, and kits for tissue retraction in an oral cavity
9237841, Mar 13 2013 UNITED STATES ENDOSCOPY GROUP, INC Adjustable bite blocks
9387054, Sep 26 2007 Ultradent Products, Inc. Methods, devices, systems, assemblies, and kits for tissue retraction in an oral cavity
9585551, Mar 13 2013 UNITED STATES ENDOSCOPY GROUP, INC. Adjustable bite blocks
9901332, Mar 15 2013 Ultradent Products, INC Cheek retractor device and method
D617455, Jul 30 2008 GC Corporation Angulus oris dilating implement
D737964, Mar 14 2014 Ultradent Products, INC Cheek retractor device
D761958, Mar 14 2014 Ultradent Products, Inc. Cheek retractor device
D763444, Mar 14 2014 Ultradent Products, Inc. Cheek retractor device
D792590, Jul 21 2015 Ultradent Products, Inc.; Ultradent Products, INC Cheek retractor device
D820445, Mar 14 2014 Ultradent Products, Inc. Cheek retractor device
D914214, Jun 03 2019 Ultradent Products, Inc. Dental retraction device
D964566, Jun 03 2019 Ultradent Products, Inc. Dental retraction device
ER8351,
ER9172,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3049806,
3916880,
4200089, Apr 13 1978 Inoue Attachment Kabushiki Kaisha Mouth corner spreader
4215984, Jan 15 1979 Dental suction device
4259067, Oct 25 1977 Combined saliva ejector, tongue retractor and throat protector
4260378, Jun 01 1979 Self stabilizing intra-oral saliva evacuator
4354837, Nov 25 1981 Dental appliance for use in combination with a saliva ejector
4511329, Jan 26 1984 Moisture controlling lingual dental mirror
4975057, Feb 19 1988 TANDLAKARE DYFVERMARK AB Dental appliance
5037298, Nov 25 1985 Apparatus and improved process for removing saliva while retracting cheeks and lips
5152686, Apr 25 1991 Dental appliance
5460524, Jun 24 1994 Device and method for saliva suction with tongue retractor and bit handle
5873718, May 19 1998 Dental apparatus to remove saliva while retracting cheeks, lips and tongue
5890899, Jun 27 1997 Intellitech Corporation Dental isolator
6022214, Nov 17 1998 ZYRIS, INC Intraoral illumination device and method of using the same
6354833, Oct 27 1998 Orthodontic bracket
6923761, Dec 06 2002 Discus Dental, LLC Retractors
20060234187,
D504721, Dec 06 2002 Discus Dental, LLC Retractor
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 01 2010ANDERSON, ROSS WILLIAMDENOVO DENTAL, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0249440001 pdf
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