US2362678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway traffic controlling apparatus
Assignee: Hitachi Rail STS USA Inc
•
Filing: 1943-12-17
•
Granted: 1944-11-14
•
Expires: 1963-12-17
Abstract
No abstract record available.
Inventors
- 👤 Howard A Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:33
CPC Classifications
B; B61; B61L; B61L23/00; B61L23/08; B61L23/14; B61L23/16; B61L23/168
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-11-14 | 1948-05-15 | 1948-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-11-14 | 1952-05-15 | 1952-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-11-14 | 1956-05-15 | 1956-11-14 | $7700.00 | Window Closed / Lapsed |