Ladder having lock step and gas springs

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a top perspective view of a ladder having lock step and gas springs in accordance with our new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof.

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

Claims

The ornamental design for a ladder having lock step and gas springs as shown and described.

Referenced Cited
U.S. Patent Documents
4166516 September 4, 1979 Thurmond
6305496 October 23, 2001 Bieszczad
7841447 November 30, 2010 Frame
20080217103 September 11, 2008 Pucek
20140097039 April 10, 2014 Kerr
20180094484 April 5, 2018 Frame
20240125177 April 18, 2024 Frame
20250012146 January 9, 2025 Frame
20250101754 March 27, 2025 Frame
Foreign Patent Documents
10-2013-0139064 December 2013 KR
M641278 May 2023 TW
Other references
  • Hybrid Ladder, shown in www.platformsandladders.com, searched Jul. 30, 2025, pp. 1-6 (Year: 2025).
  • PCT/US2024/04743 Search Report.
Patent History
Patent number: D1106494
Type: Grant
Filed: Sep 19, 2024
Date of Patent: Dec 16, 2025
Assignee: BALLYMORE COMPANY, INC. (Coatsville, PA)
Inventors: William F Frame (Coatsville, PA), Christopher M. Orlando (Media, PA), Ronald E Bernard (Coatsville, PA)
Primary Examiner: Gino Colan
Application Number: 29/963,870
Classifications
Current U.S. Class: Ladder (D25/64)