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Patent
   D340157
Priority
Apr 16 1990
Filed
Apr 16 1990
Issued
Oct 12 1993
Expiry
Oct 12 2007

TERM.DISCL.
Inventors
Von Gunten…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
3
References
6
Maint.:
n/a
The ornamental design for a shelf structure, as shown and described.

FIG. 1 is a perspective view of a shelf structure, showing my new design, the broken lines are for environmental purposes only and form no part of the claimed design;

FIG. 2 is a front elevational view;

FIG. 3 is a side view;

FIG. 4 is a top view; and,

FIG. 5 is a bottom view.
INVENTORS:

Von Gunten, Lee, Von Gunten, Judy

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
6267064, Nov 01 1999 Steelcase Development Corporation Laboratory furniture unit
D359182, Jan 10 1994 Shelf structure
D437708, Nov 01 1999 Steelcase Development Inc. Furniture unit
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2749974,
3303936,
120114,
230109,
D254112, Oct 05 1977 Workbench
D295478, Jul 02 1985 Reconfigurable shelf unit
ASSIGNMENT RECORDS    Assignment records on the USPTO
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