Door ladder

Information

  • Patent Grant
  • D1059428
  • Patent Number
    D1,059,428
  • Date Filed
    Wednesday, January 6, 2021
    4 years ago
  • Date Issued
    Tuesday, January 28, 2025
    11 days ago
  • Inventors
  • Examiners
    • Vansant; Calvin E
    • Ghigliotty Torres; Eidiol
    Agents
    • Bell & Manning, LLC
  • US Classifications
    Field of Search
    • US
    • D07 405
    • D08 306
    • D08 349
    • D08 321
    • D08 323
    • D08 354
    • D08 355
    • D08 373
    • D08 376
    • D08 377
    • D08 400
    • D15 89
    • D15 91
    • CPC
    • F25D23/10
    • F25D2500/02
    • F25D23/02
    • F25D23/028
    • F25D23/063
    • F25D23/067
    • F25D23/006
    • F25D13/00
    • F25D13/02
    • F25D13/04
    • F25D23/00
    • F25D23/12
    • F25D2300/00
  • International Classifications
    • 1507
    • Term of Grant
      15Years
Abstract
Description


FIG. 1 is a top, front, right perspective view of a first embodiment of a door ladder showing our new design, where a non-transparent material, as indicated by the dot surface shading pattern, is different from a remainder of the door ladder;



FIG. 2 is a front elevation view of the door ladder of FIG. 1;



FIG. 3 is a left elevation view of the door ladder of FIG. 1;



FIG. 4 is a right elevation view of the door ladder of FIG. 1;



FIG. 5 is a top plan view of the door ladder of FIG. 1;



FIG. 6 is a bottom elevation view of the door ladder of FIG. 1;



FIG. 7 is a cross-sectional view of the door ladder of FIG. 1 as indicated in FIG. 2;



FIG. 8 is a scaled up front elevation view of a portion of the door ladder of FIG. 1 as indicated in FIG. 2;



FIG. 9 is a scaled up cross-sectional view of the door ladder of FIG. 1 as indicated in FIG. 7;



FIG. 10 is a top, front, right perspective view of a second embodiment of a door ladder showing our new design, where a metallic material, as indicated by surface shading, and a white material, as indicated by stippling, are used;



FIG. 11 is a front elevation view of the door ladder of FIG. 10;



FIG. 12 is a left elevation view of the door ladder of FIG. 10;



FIG. 13 is a right elevation view of the door ladder of FIG. 10;



FIG. 14 is a top plan view of the door ladder of FIG. 10;



FIG. 15 is a bottom elevation view of the door ladder of FIG. 10;



FIG. 16 is a cross-sectional view of the door ladder of FIG. 10 as indicated in FIG. 11;



FIG. 17 is a scaled up front elevation view of a portion of the door ladder of FIG. 10 as indicated in FIG. 11; and,



FIG. 18 is a scaled up cross-sectional view of the door ladder of FIG. 10 as indicated in FIG. 16.


The broken lines in FIGS. 1-18 are included for the purpose of illustrating portions of the door ladder that form no part of the claimed design. For example, broken lines formed by equal length dashes show unclaimed portions of the design and boundaries of enlargements. Broken lines formed of unequal length dashes (e.g., dash-dot-dash) show boundaries of the claimed design. The back of the door ladder is flat and unornamented for both provided embodiments.


Claims
  • The ornamental design for a door ladder as shown and described.
US Referenced Citations (8)
Number Name Date Kind
4098481 Johnson Jul 1978 A
D391471 Amstutz Mar 1998 S
D568345 Baacke May 2008 S
D613317 Baacke Apr 2010 S
D626817 Donowho Nov 2010 S
D664268 Thielke Jul 2012 S
D709108 Lee Jul 2014 S
D924666 Brown Jul 2021 S