Patent US2624290A successfully refreshed from Google Patents.
US2624290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propelling system for locomotives and other vehicles
Assignee: Individual
•
Filing: 1948-08-04
•
Granted: 1953-01-06
•
Expires: 1968-08-04
Abstract
No abstract record available.
Inventors
- 👤 John B Mclean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:21
CPC Classifications
B; B61; B61C; B61C7/00; B61C7/02; Y; Y02; Y02T; Y02T30/00
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |