Patent
   D884923
Priority
Sep 25 2018
Filed
Sep 25 2018
Issued
May 19 2020
Expiry
May 19 2035
Assg.orig
Entity
unknown
7
8
n/a
The ornamental design for the engine maintenance ladder, as shown and described.

FIG. 1 is a front perspective view of an engine maintenance ladder showing my new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Green, Jeffrey Alan

Patent Priority Assignee Title
10822874, Aug 24 2018 Lock N Climb, LLC Engine maintenance ladder
D898944, Aug 24 2018 Lock N Climb, LLC Engine maintenance ladder
D908925, Apr 10 2019 Ladder
D938539, Feb 14 2019 KSH Brands, LLC Trampoline access and egress structure
ER1568,
ER2803,
ER8958,
Patent Priority Assignee Title
8002084, Mar 18 2009 Stepladder
20150308190,
20150354276,
D722182, Dec 04 2013 Lock N Climb, LLC Ladder
D745191, May 27 2014 Lock N Climb, LLC Ladder
D796694, Mar 22 2016 Lock N Climb, LLC Ladder
D836215, May 06 2016 Lock N Climb, LLC Ladder hand rail
D840055, Feb 09 2015 Tricam Industries, Inc. Step ladder
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 25 2018Lock N Climb, LLC(assignment on the face of the patent)
Feb 28 2020GREEN, JEFFREY A Lock N Climb, LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0523460792 pdf
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