Trailer locking system
US6644071B2 · kind B2 · utility
22Cited by
29References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2000 |
| Grant date | Nov 11, 2003 |
| Priority date | — |
| Expiry date | May 23, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/5982
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A trailer hitch locking system is provided for securing a trailer while hitched to a vehicle or protecting the trailer from theft while unhitched. The locking system includes a hitch lock, a ball lock, and a receiver pin lock.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.