Engine maintenance ladder

- LOCK N CLIMB, LLC
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Description

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.

Claims

The ornamental design for the engine maintenance ladder, as shown and described.

Referenced Cited
U.S. Patent Documents
8002084 August 23, 2011 Huang
D722182 February 3, 2015 Green
D745191 December 8, 2015 Green
D796694 September 5, 2017 Green
D836215 December 18, 2018 Green
D840055 February 5, 2019 Skubic
20150308190 October 29, 2015 Skubic
20150354276 December 10, 2015 Green
Patent History
Patent number: D884923
Type: Grant
Filed: Sep 25, 2018
Date of Patent: May 19, 2020
Assignee: LOCK N CLIMB, LLC (Independence, KS)
Inventor: Jeffrey Alan Green (Independence, KS)
Primary Examiner: Gino Colan
Application Number: 29/664,427
Classifications
Current U.S. Class: Ladder (D25/64)