Ladder having lock step and gas springs
Description
Claims
The ornamental design for a ladder having lock step and gas springs as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
| 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 |
| 10-2013-0139064 | December 2013 | KR |
| M641278 | May 2023 | TW |
- 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
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)