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Patent
D421540
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Priority
Oct 24 1997
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Filed
Apr 02 1999
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Issued
Mar 14 2000
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Expiry
Mar 14 2014
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Assg.orig
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Entity
unknown
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10
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35
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n/a
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We claim the ornamental design for a chair back, as shown and described.
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FIG. 1 is a front perspective view of our chair back design;
FIG. 2 is a rear perspective view of the chair back design shown in FIG. 1;
FIG. 3 is a left side perspective view of the chair back design shown in
FIG. 1;
FIG. 4 is a right side view of the chair back design shown in FIG. 1;
FIG. 5 is a front view of the chair back design shown in FIG. 1;
FIG. 6 is a left side view of the chair back design shown in FIG. 1;
FIG. 7 is a rear view of the chair back design shown in FIG. 1; and,
FIG. 8 is a top view of the chair back design shown in FIG. 1.
The broken lines shown in FIG. 1 are for illustrative purposes only and
form no part of the claimed design.
Dammermann, Arnold B., Klaasen, II, Gardner J., Teppo, David S., Stoddard, John P., Jenkins, David C., Diebel, Markus P.
Patent |
Priority |
Assignee |
Title |
D438733, |
Apr 09 1999 |
STEELCASE DEVELOPMENT INC |
Lumbar region of a chair back |
D439451, |
Apr 09 1999 |
STEELCASE DEVELOPMENT INC |
Back for a seating unit |
D442400, |
Apr 09 1999 |
Steelcase Development Inc. |
Seating unit |
D442790, |
Apr 09 1999 |
Steelcase Development Inc. |
Chair |
D442791, |
Apr 09 1999 |
Steelcase Development Inc. |
Chair |
D463174, |
Nov 30 2001 |
GROUPE LACASSE LLC |
Chair |
D506628, |
Mar 24 2004 |
HNI TECHNOLOGIES INC |
Chair frame |
D506629, |
Mar 26 2004 |
HNI TECHNOLOGIES INC |
Chair back |
D507133, |
Dec 30 2003 |
HNI TECHNOLOGIES INC |
Armless chair |
D509388, |
Dec 30 2003 |
HNI TECHNOLOGIES INC |
Chair |
Patent |
Priority |
Assignee |
Title |
4451085, |
Oct 01 1980 |
Wilkhahn & Hahne GmbH & Company |
Chair |
4509793, |
Sep 03 1982 |
Wilkhahn Wilening + Hahne GmbH + Co. |
Chair |
4529247, |
Apr 15 1982 |
Herman Miller, Inc. |
One-piece shell chair |
4861108, |
Jun 07 1988 |
American Seating Company; AMERICAN SEATING COMPANY, A CORP OF DE |
Auditorium seat |
4911501, |
Jun 09 1989 |
JAMI, INC |
Suspension mechanism for connecting chair backs and seats to a pedestal |
5382079, |
Oct 25 1993 |
CHROMCRAFT REVINGTON, INC |
Adjustable arm attachable to a chair body |
5501507, |
Sep 12 1994 |
RESEARCH AND DEVELOPMENT INSTITUTE, INC , AT MONTATA STATE UNIVERSITY |
Seat with spring-loaded lumbar support |
5577807, |
Jun 09 1994 |
STEELCASE DEVELOPMENT INC , A CORPORATION OF MICHIGAN |
Adjustable chair actuator |
5599067, |
Jun 07 1995 |
HERMAN MILLER INC |
Adjustable arm rest assembly |
5667277, |
Jun 07 1995 |
HERMAN MILLER INC |
Height adjustable arm rest assembly |
D272204, |
Oct 02 1981 |
Gispen & Staalmeubel B.V. |
Chair |
D277143, |
Sep 29 1980 |
HAWORTH, INC , |
Chair |
D279155, |
May 27 1982 |
SUNLITE CASUAL FURNITURE, INC |
Combined seat and backrest unit |
D292655, |
Apr 05 1985 |
HAWORTH, INC , A CORP OF MICHIGAN |
Swivel chair |
D309384, |
Apr 23 1987 |
Allsteel Inc. |
Seat |
D320507, |
Aug 15 1988 |
Steelcase Development Corporation |
Chair |
D328199, |
Oct 20 1988 |
FEHLBAUM & CO , A CORP OF SWITZERLAND |
Chair |
D330478, |
Jun 09 1989 |
BOATMEN S A NATIONAL BANK OF ST LOUIS, AS AGENT |
Seat |
D339927, |
Jan 11 1990 |
BANK OF AMERICA, N A |
Chair |
D343740, |
Jun 11 1991 |
|
Chair |
D345259, |
Sep 03 1991 |
Okamura Corporation |
Chair |
D346279, |
Jun 15 1992 |
HERMAN MILLER, INC , A CORP OF MI |
Chair |
D349621, |
Sep 21 1993 |
Chromcraft Corporation |
Chair arm |
D351070, |
May 07 1993 |
STEELCASE DEVELOPMENT INC , A CORPORATION OF MICHIGAN |
Chair |
D352181, |
Jun 09 1993 |
BANK OF AMERICA, N A |
Chair |
D358063, |
Aug 10 1993 |
Miller Desk, Inc. |
Chair |
D362947, |
Apr 09 1993 |
|
Ice cream cone holder |
D362973, |
Jun 11 1993 |
HNI TECHNOLOGIES INC |
Swivel chair |
D365453, |
Jun 13 1994 |
HERMAN MILLER, INC |
Chair |
D371683, |
Dec 08 1994 |
HNI TECHNOLOGIES INC |
Office chair |
D380110, |
Dec 01 1995 |
Chairtech, S.A. |
Chair |
D390712, |
Nov 21 1996 |
Kimball International, Inc. |
Chair |
D391791, |
Feb 12 1997 |
Lear Corporation |
Vehicles seat bolster |
D393755, |
Mar 06 1997 |
Haworth, Inc. |
Chair |
D398163, |
Dec 20 1995 |
F -MARTIN STEIFENSAND BUEROMOEBEL GMBH |
Chair |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a