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Patent
   D321299
Priority
Aug 22 1988
Filed
Aug 22 1988
Issued
Nov 05 1991
Expiry
Nov 05 2005

TERM.DISCL.
Inventors
Estkowski,…
Assg.orig
SHEPHERD P…
Assg.curr
SHEPHERD C…
Entity
unknown
Referenced by
16
References
5
Maint.:
n/a
The ornamental design for a chair base, as shown and described.

FIG. 1 is a side elevational view of a chair base showing my new design;

FIG. 2 is a top plan view thereof; and

FIG. 3 is a bottom plan view thereof.
INVENTORS:

Estkowski, Christopher G., Caruso, Jerome C., Lastuck, Lennard V.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
5377943, Dec 21 1993 LEGGETT & PLATT CANADA CO SOCIETE LEGGETT & PLATT CANADA Chair base
D348496, Sep 25 1992 Krane Industry Corp. Exercise stepping machine
D356913, Oct 26 1993 STEELCASE DEVELOPMENT INC , A CORPORATION OF MICHIGAN Table base
D360550, May 29 1990 C A FORD PTY LTD Furniture support base
D363383, Mar 02 1992 STEELCASE DEVELOPMENT INC , A CORPORATION OF MICHIGAN Chair
D366377, Mar 17 1994 LEGGETT & PLATT CANADA CO SOCIETE LEGGETT & PLATT CANADA Base for an office chair
D407583, Nov 25 1997 LEGGETT & PLATT CANADA CO SOCIETE LEGGETT & PLATT CANADA Chair base
D413214, Mar 31 1998 Teknion Furniture Systems Inc. Base for a chair
D414629, Feb 10 1998 LEGGETT & PLATT CANADA CO SOCIETE LEGGETT & PLATT CANADA Chair base
D430982, Feb 16 1999 Chair base
D518318, Dec 30 2003 HNI TECHNOLOGIES INC Chair base
D530533, Jun 13 2003 HNI TECHNOLOGIES INC Chair
D562037, Feb 01 2007 John, Kaloustian Seat base
D602285, Dec 11 2008 Midway Displays, Inc. Merchandise display base
D793785, Dec 10 2015 Vornado Air, LLC Pedestal base
D971655, Sep 29 2020 Chair base
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
4529247, Apr 15 1982 Herman Miller, Inc. One-piece shell chair
238646,
D273925, Apr 21 1980 SECURITY PACIFIC BUSINESS CREDIT INC , A DE CORP Base for a business chair
D304399, Jul 27 1987 SHEPHERD CASTER CORPORATION Chair base with casters
D312011, Jul 27 1987 SHEPHERD CASTER CORPORATION Chair base
ASSIGNMENT RECORDS    Assignment records on the USPTO
//////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 01 1988ESTKOWSKI, CHRISTOPHER G SHEPHERD PRODUCTS U S , INC , A CORP OF MI ASSIGNMENT OF ASSIGNORS INTEREST 0049310773 pdf
Aug 01 1988LASTUCK, LENNARD V SHEPHERD PRODUCTS U S , INC , A CORP OF MI ASSIGNMENT OF ASSIGNORS INTEREST 0049310773 pdf
Aug 12 1988CARUSO, JEROME C SHEPHERD PRODUCTS U S , INC , A CORP OF MI ASSIGNMENT OF ASSIGNORS INTEREST 0049310773 pdf
Aug 22 1988Shepherd Products U.S., Inc.(assignment on the face of the patent)
Aug 06 1990SHEPHERD PRODCUTS U S INC , A CORP OF MISHEPHERD PRODUCTS U S INC , A CORP OF DEASSIGNMENT OF ASSIGNORS INTEREST 0053990177 pdf
Dec 15 1998SHEPHERD PRODUCTS U S INC SHEPHERD CASTER CORPORATIONCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0101330992 pdf
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