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Patent
   D289591
Priority
May 08 1984
Filed
Oct 22 1984
Issued
May 05 1987
Expiry
May 05 2001
Inventors
Groseth, M…
Assg.orig
Hag A/S
Assg.curr
HAG A S
Entity
unknown
Referenced by
27
References
8
Maint.:
n/a
The ornamental design for a chair control unit, substantially as shown and described.

FIG. 1 is a front top perspective view of a chair control unit embodying my new design;

FIG. 2 is a side view of a chair control unit, as seen from the left hand side;

FIG. 3 is a rear view of a chair control unit; and

FIG. 4 is a bottom plan view of a chair control unit.
INVENTORS:

Groseth, Morten

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
6637072, Sep 29 2000 Formway Furniture Limited Castored base for an office chair
6802566, Sep 28 2000 Formway Furniture Limited Arm assembly for a chair
6817667, Sep 28 2000 Formway Furniture Limited Reclinable chair
6840582, May 07 2003 Formway Furniture Limited Height adjustable arm assembly
6874852, Sep 28 2000 Formway Furniture Limited Lumbar support
6908159, Sep 28 2000 Formway Furniture Limited Seat for a reclining office chair
6910741, Sep 28 2000 Formway Furniture Limited Lumbar support
7441839, Sep 28 2000 Formway Furniture Limited Reclinable chair
7798573, Sep 28 2000 Formway Furniture Limited Reclinable chair
D409862, Nov 19 1997 Chair tilting mechanism
D450956, May 10 2000 Svein Asbjornsen Produktdesign AS Tilting device for a chair seat
D450957, May 10 2000 Svein Asbjornsen Produktdesign AS Tilting device for a chair seat
D461074, Nov 30 2000 LEGGETT & PLATT CANADA CO Chair control housing
D461346, Jan 18 2001 LEGGETT & PLATT CANADA CO Chair control housing
D464831, Nov 30 2000 LEGGETT & PLATT CANADA CO Chair control housing
D465678, Jan 11 2001 LEGGETT & PLATT CANADA CO Chair control housing
D473737, Apr 16 2001 Sedus Stoll AG Control mechanism for a chair
D479066, Apr 16 2001 Sedus Stoll AG Mechanism for a chair
D479928, Apr 16 2001 Sedus Stoll AG Mechanism for a chair
D544258, Sep 21 2005 Chair adjusting apparatus with sliding panel
D549016, May 03 2006 DONATI S P A Seat component
D550989, May 03 2006 DONATI S P A Seat component
D550991, May 03 2006 Donati S.p.A. Seat component
D557946, Apr 28 2005 LEGGETT & PLATT CANADA CO Chair control
D578326, Oct 24 2007 Donati S.p.A. Seat mechanism
D579241, Apr 09 2008 Nightingale Corp. Chair mechanism
D904099, Jun 22 2018 P.S. Pibbs, Inc.; P S PIBBS, INC Reclining mechanism for a threading chair
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3741607,
3823980,
242514,
D246217, Feb 05 1976 NORTHFIELD METAL PRODUCTS LTD , 145 NORTHFIELD DR WEST, WATERLOO, ONTARIO, CANADA N2L 5J3 A CORP OF ONTARIO Chair control unit
D246558, Feb 03 1976 NORTHFIELD METAL PRODUCTS LTD , 145 NORTHFIELD DR WEST, WATERLOO, ONTARIO, CANADA N2L 5J3 A CORP OF ONTARIO Chair control
D247943, Oct 07 1976 NORTHFIELD METAL PRODUCTS LTD , 145 NORTHFIELD DR WEST, WATERLOO, ONTARIO, CANADA N2L 5J3 A CORP OF ONTARIO Chair control
D250501, Jun 02 1975 NEC Corporation Compact chair-tilting control
D285633, Feb 29 1984 NORTHFIELD METAL PRODUCTS LTD , 145 NORTHFIELD DR WEST, WATERLOO, ONTARIO, CANADA N2L 5J3 A CORP OF ONTARIO Chair control
ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 22 1984Hag A/S(assignment on the face of the patent)
Dec 01 1986GROSETH, MORTENHAG A SASSIGNMENT OF ASSIGNORS INTEREST 0046460666 pdf
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