Patent
   D399975
Priority
Jul 17 1997
Filed
Jul 17 1997
Issued
Oct 20 1998
Expiry
Oct 20 2012
Assg.orig
Entity
unknown
3
3
n/a
The ornametnal design for a staircase, as shown and described.

FIG. 1 is a perspective view of a staircase incorporating my design and arranged back-to-back;

FIG. 2 is a perspective view of the staircase;

FIG. 3 is a side elevation view thereof, the opposite side being identical thereto;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Broken lines in the drawings are for illustrative purposes only and are not part of the claimed design.

Confer, Raymond C.

Patent Priority Assignee Title
7165362, Jul 15 2002 Apple Inc Glass support member
D478999, Jul 15 2002 APPLE COMPUTER INC Staircase
D479338, Dec 23 2002 SAPA EXTRUSIONS, INC Steps
Patent Priority Assignee Title
1113368,
5369921, Aug 17 1992 Portable stairway railing device
D290044, Jun 11 1984 Pool access stair
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 17 1997Confer Plastics Inc.(assignment on the face of the patent)
Oct 15 1997CONFER, RAYMOND C CONFER PLASTICS INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0088990129 pdf
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