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Patent
D831228
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Priority
Feb 19 2014
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Filed
May 02 2017
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Issued
Oct 16 2018
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Expiry
Oct 16 2033
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Assg.orig
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Entity
unknown
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3
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17
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n/a
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The ornamental design for a shoe for retractable ladder leg extension, as shown and described.
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FIG. 1 is an isometric view of a shoe for retractable ladder leg extension;
FIG. 2 is an isometric view of the shoe shown in FIG. 1;
FIG. 3 is a front view of the shoe shown in FIG. 1;
FIG. 4 is a rear view of the shoe shown in FIG. 1;
FIG. 5 is a top view of the shoe shown in FIG. 1;
FIG. 6 is bottom view of the shoe shown in FIG. 1;
FIG. 7 is a right view of the shoe shown in FIG. 1; and,
FIG. 8 is a left view of the shoe shown in FIG. 1.
Lanzafame, Philip F.
Patent |
Priority |
Assignee |
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11026511, |
Jan 06 2020 |
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Furniture leg cap assembly |
D989984, |
May 07 2020 |
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4415062, |
Sep 29 1982 |
AT & T TECHNOLOGIES, INC , |
Ladder foot |
5107958, |
Jul 16 1990 |
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Ladder leveler |
5370203, |
Jan 28 1993 |
WERNER TECHNOLOGIES, INC |
Ladder shoe spur plate |
544520, |
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5678656, |
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Positive engaging ladder stabilizing and leveling device |
6145618, |
Jan 26 1996 |
WERNER TECHNOLOGIES, INC |
Ladder system and method of climbing having a rail with a non-linear slot |
6408984, |
Mar 20 2001 |
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Ladder leveling device |
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Ladder leveler |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
May 02 2017 | | Philip F., Lanzafame | (assignment on the face of the patent) | | / |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a