Excavation ladder

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Description

FIG. 1 is a prospective view of an excavation ladder showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Claims

The ornamental design for an excavation ladder as shown and described.

Referenced Cited
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Other references
  • Wayback Trenchtech, posted Mar. 27, 2023 [online], [retrieved Feb. 24, 2025]. Retrieved from internet, https://web.archive.org/web/20230327101654/https://www.shoringsolutions.com/trench-box-ladder-system.php (Year: 2023).
  • Trench Box Ladder System Installation Video, posted Mar. 15, 2023 [online], [retrieved Feb. 24, 2025]. Retrieved from internet, https:// youtu.be/mEz7prt8mmQ?si=XRFrWg0ECbgaQ7Lg (Year: 2023).
  • Trench Box Ladder System Data Sheet, posted Feb. 15, 2023 [online], [retrieved Feb. 24, 2025]. Retrieved from internet, https://www.shoringsolutions.com/pdfs/Trench%20box%20ladder%202.15.23_sealed%20engineering.pdf (Year: 2023).
Patent History
Patent number: D1128090
Type: Grant
Filed: Dec 12, 2023
Date of Patent: May 26, 2026
Inventor: Jeffrey Lee Evinger, Jr. (Marysville, PA)
Primary Examiner: Brett Miller
Assistant Examiner: Sara Michie Pottenger
Application Number: 29/920,692
Classifications
Current U.S. Class: Ladder (D25/64)