Patents
US 11952837 B1: Collapsible ladder
- Granted
- 2024-04-09
- Filed
- 2023-04-12 application 18133688
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A collapsible ladder with steps that remained stored within the frame or automatically deploy for use. The ladder can be manual, semi-automatic, or remote controlled.
Source: PVGPATDIS, file of 2026-04-10 (ipg240409.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| T-H Marine Supplies, LLC 20 patents | US company or organization | Huntsville, AL | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| John W. Carter | Crossville, TN | 7 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| E06C | Ladders | E06C1/381 | PVGPATDIS, file of 2026-04-10 |
| B63B | Ships or other waterborne vessels; equipment for shipping | B63B27/146 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2024-11-20 | Security interest Security interest Security interest | T-H MARINE SUPPLIES, LLC signed 2024-11-19 ODORSTAR TECHNOLOGY, LLC signed 2024-11-19 CMC MARINE, LLC signed 2024-11-19 | TRUIST BANK, AS COLLATERAL AGENT ATLANTA, GA | 69335/260 | PASDL, file of 2026-10-15 |
| 2023-04-12 | Assignment Assignment of assignor's interest | CARTER, JOHN W. signed 2023-02-01 | T-H MARINE SUPPLIES, LLC HUNTSVILLE, AL | 63301/498 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.