Patent US2600320A successfully refreshed from Google Patents.
US2600320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-power electric locomotive
Assignee: Westinghouse Electric Corp
•
Filing: 1950-09-15
•
Granted: 1952-06-10
•
Expires: 1970-09-15
Abstract
No abstract record available.
Inventors
- 👤 Manley C Potter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:38
CPC Classifications
B; B60; B60L; B60L50/00; B60L50/10; B60L50/15; B60L50/11; B60L2200/00; B60L2200/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB395419A
Cited
US1919181A
Cited
US2113207A
Cited
US2210675A
Cited
US2276812A
Cited
US2366029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |