Patent EP0216479B1 successfully refreshed from Google Patents.
Patent US3716681A successfully refreshed from Google Patents.
Patent US4120673A successfully refreshed from Google Patents.
Patent US4719319A successfully refreshed from Google Patents.
Patent US2299420A successfully refreshed from Google Patents.
US2299420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locomotive
Assignee: Baldwin Locomotive Works
•
Filing: 1939-11-14
•
Granted: 1942-10-20
•
Expires: 1959-11-14
Abstract
No abstract record available.
Inventors
- 👤 Essl Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:45
CPC Classifications
B; B61; B61C; B61C9/00; B61C9/08; B61C9/24
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) | 1945-10-19 | 1946-04-20 | 1946-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-10-19 | 1950-04-20 | 1950-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-10-19 | 1954-04-20 | 1954-10-20 | $7700.00 | Window Closed / Lapsed |