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Patent
   D333736
Priority
Mar 29 1990
Filed
Apr 30 1991
Issued
Mar 09 1993
Expiry
Mar 09 2007
Inventors
Nordstrom,…
Assg.orig
A-Dec, Inc.
Assg.curr
A-DEC, INC…
Entity
unknown
Referenced by
48
References
16
Maint.:
n/a
The ornamental design for a dental chair, as shown and described.

FIG. 1 is a left-front perspective view of a dental chair showing my new design;

FIG. 2 is a front perspective view;

FIG. 3 is a rear perspective view;

FIG. 4 is a left side perspective view, the right side being a mirror image thereof; and,

FIG. 5 is a left-front perspective view showing the chair with the backrest and legrest in extended position.
INVENTORS:

Nordstrom, Carl G.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
5320415, Mar 29 1990 A-DEC, INC Armrest assembly for a dental chair
5395160, Aug 13 1992 Therion Biologics Corporation Armrest assembly for a dental chair
6106065, Oct 24 1997 Reliance Medical Products, Inc. Examination chair with lifting and tilting mechanism
6382725, Oct 24 1997 Reliance Medical Products, Inc. Examination chair with lifting and tilting mechanism
6406294, Nov 24 1999 Bell Dental Products, LLC Self contained dental chair with integrated compressor and vacuum pump and methods
7290836, Aug 28 2003 A-DEC, INC Patient chair
7677670, Aug 28 2003 A-Dec, Inc. Patient chair
8033613, Aug 28 2003 A-Dec, Inc. Patient chair
8061664, Feb 13 2009 A-DEC, INC Base and support system for a patient support apparatus
8297564, Feb 13 2009 A-DEC, INC Fluid control system for use with a patient support apparatus
D347946, Aug 13 1992 A-Dec, Inc. Dental chair
D351742, Nov 04 1992 SIRONA DENTAL SYSTEMS GMBH & CO KG Dental patient chair
D357834, Aug 13 1992 A-Dec, Inc. Headrest
D378961, Sep 27 1995 A-DEC, INC Chair for dental patients
D412621, Oct 24 1997 RELIANCE MEDICAL PRODUCTS, INC Examination chair
D412801, Oct 24 1997 Reliance Medical Products, Inc. Examination chair base
D418339, Oct 24 1997 Reliance Medical Products, Inc. Chair back cushion
D418686, Oct 24 1997 RELIANCE MEDICAL PRODUCTS, INC Combined outer chair frame with armrests and a footrest
D419343, Oct 23 1998 Reliance Medical Products, Inc. Outer frame cover for a chair
D420233, Oct 23 1998 Reliance Medical Products, Inc. Chair armrest
D423262, Oct 23 1998 Reliance Medical Products, Inc. Chair footrest
D424337, Oct 22 1998 Reliance Medical Products, Inc. Chair cushion
D425341, Oct 22 1998 Reliance Medical Products, Inc. Combined chair cushion and headrest unit
D425735, Oct 22 1998 Reliance Medical Products, Inc. Chair cushion
D565315, Jan 12 2007 Heka Dental ApS Dentist chair
D569520, Jul 28 2005 Medical examination table cabinet
D574959, Jul 28 2005 Medical examination table
D574960, Jul 28 2005 Medical examination table top
D578787, Oct 01 2007 BRUSAFERRI & C S R L Podiatry chair
D600951, Jan 26 2009 A-DEC, INC Dental chair seat
D608551, Apr 01 2008 Takara Belmont Corporation Barber or beauty chair
D613530, Jan 26 2009 A-DEC, INC Dental chair base
D613531, Feb 02 2009 A-DEC, INC Base plate
D613532, Jan 26 2009 A-DEC, INC Dental chair
D613533, Feb 02 2009 A-DEC, INC Dental chair
D613534, May 26 2004 A-DEC, INC Portion of a chair back for dental patients
D614422, Jan 26 2009 A-DEC, INC Dental chair
D614424, Jan 26 2009 A-DEC, INC Portion of a dental chair with armrests
D624767, Jan 26 2009 A-DEC, INC Dental chair
D630872, Jan 26 2009 A-DEC, INC Dental chair back
D680223, Oct 19 2011 RELIANCE MEDICAL PRODUCTS, INC Examination chair
D683154, Oct 30 2012 REICHERT, INC.; REICHERT, INC Ophthalmic examination chair
D706564, Oct 19 2011 Reliance Medical Products, Inc. Portion of an examination chair
D706565, Oct 19 2011 Reliance Medical Products, Inc. Portion of an examination chair
D707068, Oct 19 2011 Reliance Medical Products, Inc. Side profile of a portion of an examination chair
D761966, Oct 19 2011 Reliane Medical Products, Inc. Portion of an examination chair
D846907, Sep 12 2016 RELIANCE MEDICAL PRODUCTS, INC Upholstery design for an examination chair
D921383, Aug 01 2019 EMBRAER S.A. Chair
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3338632,
3414324,
3427072,
3866973,
3934928, Dec 27 1973 DENTSPLY INTERNATIONAL INC , 570 WEST COLLEGE AVE , YORK, PA 17405 A CORP OF DE Adjustable operatory chair
4336965, May 15 1980 Nalge Company Expandable legrest for dental chairs
4527976, Aug 02 1982 Sirona Dental Systems GmbH Dentist chair
4541671, Nov 05 1982 DENTAL-EZ, INC Patient support
4678229, Mar 25 1986 DREYFUSS ASSOCIATES; Golden Associates Reclining chair
4700415, May 07 1985 CONNECTICUT INNOVATIONS, INCORPORATED A CORP OF CT Reclinable wheelchair apparatus
4878709, Jul 06 1987 Retractable legrest for dental chair
4966413, Aug 17 1989 Articulated relaxation chair
236299,
D267987, Feb 13 1981 Siemens Medical Systems, Inc Treatment chair
D321097, Oct 06 1988 Midmark Corporation Podiatry chair
RE30648, Aug 16 1971 Siemens Aktiengesellschaft Chair for dental patients
ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 30 1991A-Dec, Inc.(assignment on the face of the patent)
Jun 12 1991NORDSTROM, CARL G A-DEC, INC ,ASSIGNMENT OF ASSIGNORS INTEREST 0057570994 pdf
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