Patent
   D898944
Priority
Aug 24 2018
Filed
Aug 24 2018
Issued
Oct 13 2020
Expiry
Oct 13 2035
Assg.orig
Entity
unknown
8
23
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
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 24 2018Lock N Climb, LLC(assignment on the face of the patent)
Jul 13 2020GREEN, JEFFREY A Lock N Climb, LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0534530155 pdf
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