B61L 21/02
Mechanical locking and release of the route
Official title: Mechanical locking and release of the route; Repeat locks; Coupling of semaphores
B61L21/02 (Mechanical locking and release of the route) appears on 0 US grants and 0 published applications in this corpus.
Search patents in B61L- Granted patents
- 0
- Published applications
- 0
- Assignees
- 0
- Inventors
- 0
Filings by year
| Year | Granted patents | Published applications |
|---|
By publication year.
Recent patents
No granted patents in this class yet.
No published applications in this class yet.
Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.