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Patent
   D243896
Priority
Feb 28 1973
Filed
Oct 24 1974
Issued
Apr 05 1977
Expiry
Apr 05 1991
Inventors
Zapf, Otto
Assg.orig
Knoll Inte…
Assg.curr
WESTINGHOU…
Entity
unknown
Referenced by
15
References
0
Maint.:
n/a
The ornamental design for chairs, as shown.

FIG. 1 is a front perspective view of a chair showing my design.

FIG. 2 is a rear and front side perspective view thereof.

FIG. 3 is a left side perspective view thereof.
INVENTORS:

Zapf, Otto

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
5509720, Sep 23 1994 Alphabet block chair kit
D327585, Jun 12 1989 HERMAN MILLER, INC , A CORP OF MI Chair
D330980, Jun 08 1989 HERMAN MILLER, INC Chair
D351954, Mar 21 1994 Robinson & Robinson Seat
D368600, Jun 06 1995 Robinson & Robinson Rolled arm seat
D369478, Jun 06 1995 Robinson & Robinson Flared arm seat
D392470, Feb 11 1997 SMITH, DALLAS; Aloha, LLC Fibreboard chair with arms
D399661, Feb 11 1997 SMITH, DALLAS; Aloha, LLC Fibreboard chair with arms
D405287, Oct 08 1997 Robinson & Robinson Contoured arm seat
D414956, Jun 24 1998 Seat
D419312, Oct 29 1998 Inflatable chair
D420525, Nov 12 1998 Robinson & Robinson Seat
D431125, Oct 29 1999 Robinson & Robinson Sofa
D452386, Jan 13 1999 CINNA Seat
D775481, Apr 09 2015 Comfort Research, LLC Chair
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 24 1974Knoll International, Inc.(assignment on the face of the patent)
Nov 27 1990KNOLL INTERNATIONAL, INC , A CORP OF DEWESTINGHOUSE ELECTRIC CORPORATION, A CORP OF PA NUNC PRO TUNC ASSIGNMENT SEE DOCUMENT FOR DETAILS 0055700598 pdf
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