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PTO
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Dossier
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Patent
D682446
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Priority
Apr 08 2010
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Filed
Jun 12 2012
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Issued
May 14 2013
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Expiry
May 14 2027
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Assg.orig
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Entity
unknown
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15
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3
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n/a
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The ornamental design for a stair tread, as shown and described.
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FIG. 1 is a front perspective view of my design;
FIG. 2 is a front elevational view;
FIG. 3 is a rear elevational view;
FIG. 4 is a right side elevational view;
FIG. 5 is a left side elevational view;
FIG. 6 is a top plan view; and,
FIG. 7 is a bottom plan.
The broken line showing of environment is for illustrative purposes only and forms no part of the claimed design.
Young, Robert H.
| Patent |
Priority |
Assignee |
Title |
| 12116842, |
May 19 2020 |
BOOTHE, DAVID |
Auxiliary step platform for ladder |
| D923202, |
Feb 28 2020 |
MASTER'S CRAFT CORPORATION |
Stair tread |
| D936241, |
May 01 2019 |
GARLAND INDUSTRIES, INC |
Stair tread cover |
| D952190, |
May 31 2017 |
Garland Industries, Inc. |
Stair tread cover |
| D953579, |
Dec 16 2019 |
|
Stair tread |
| D961117, |
Nov 17 2020 |
|
Stair tread |
| D963199, |
Mar 05 2020 |
SSM HOLDCO, LLC |
Stair tread |
| ER1980, |
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| ER372, |
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| ER7151, |
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| ER7453, |
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| ER7506, |
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| ER8056, |
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| ER8098, |
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| ER9653, |
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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Maintenance Fee Events |
n/a
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Maintenance Schedule |
n/a