Engine maintenance ladder

Information

  • Patent Grant
  • D898944
  • Patent Number
    D898,944
  • Date Filed
    Friday, August 24, 2018
    6 years ago
  • Date Issued
    Tuesday, October 13, 2020
    4 years ago
  • US Classifications
    Field of Search
    • US
    • D25 62- 65
    • D25 66
    • D25 68
    • D25 69
    • 182 165000
    • 182 194000
    • 182 022000
    • 182 023000
    • 182 093000
    • 182 180100
    • 182 156000
    • 182 166000
    • 182 111000
    • 182 152000
    • 182 180200
    • 182 179100
    • 182 201000
    • 182 159000
    • 182 162000
    • 182 106000
    • 182 026000
    • 182 115000
    • 182 124000
    • 182 172000
    • CPC
    • E06C1/383
    • E06C1/14
    • E06C5/02
    • E06C7/10
    • E06C1/393
  • International Classifications
    • 2504
    • Term of Grant
      15Years
Abstract
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.
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D796694 Green Sep 2017 S
9834987 Lo Dec 2017 B2
D836215 Green Dec 2018 S
D840055 Skubic Feb 2019 S
D884923 Green May 2020 S
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20110011674 Kim Jan 2011 A1
20150308190 Skubic Oct 2015 A1
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20170226803 Russell Aug 2017 A1
Non-Patent Literature Citations (2)
Entry
Non-Final Rejection dated Jun. 15, 2020, from U.S. Appl. No. 16/111,501, 44 sheets.
Notice of Allowance dated Jul. 1, 2020, from U.S. Appl. No. 16/111,501, 22 sheets.