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Patent
D563565
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Priority
Jul 17 2006
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Filed
Jul 17 2006
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Issued
Mar 04 2008
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Expiry
Mar 04 2022
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Assg.orig
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Entity
unknown
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4
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9
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n/a
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I claim the ornamental design for a portion of a staircase, as shown and described.
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FIG. 1 is a perspective view of a portion of a staircase; and,
FIG. 2 is a top plan view of the portion of a staircase shown in FIG. 1.
The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.
Gardner, William
| Patent |
Priority |
Assignee |
Title |
| 4151320, |
Jul 06 1973 |
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Flexible non-skid strip with upwardly projecting portion for stair edge |
| 4322927, |
Sep 25 1978 |
Kenscot Industries Limited |
Method of making staircases and staircase made thereby |
| 4985095, |
Oct 28 1988 |
Milliken Research Corporation |
Preformed stair riser tile product |
| 5357724, |
Dec 21 1992 |
Sonoda Factory Co., Ltd. |
Stair tread |
| 6082061, |
Jan 19 1999 |
|
Stair tread |
| 6173540, |
Sep 12 1997 |
|
Stair tread |
| D363785, |
Jun 30 1994 |
McKechnie UK Limited |
Edging strip for tiled steps |
| D415289, |
Mar 26 1997 |
Wooster Products, Inc. |
Stair tread surface |
| D463039, |
Nov 23 2001 |
Taiwan Lounge Chair Industry Co., Ltd. |
Tread of a staircase |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a