US2512154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic prime mover regulator
Assignee: Westinghouse Electric Corp
•
Filing: 1948-05-19
•
Granted: 1950-06-20
•
Expires: 1968-05-19
Abstract
No abstract record available.
Inventors
- 👤 Seymour W Herwald
- 👤 Harold M Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:13
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/20; F01D17/22; F01D17/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1485865A
Cited
US1505853A
Cited
US1610628A
Cited
US1669524A
Cited
US2015861A
Cited
US2404968A
Cited
US2332910A
Cited
US2407982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-19 | 1953-12-19 | 1954-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-19 | 1957-12-19 | 1958-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-19 | 1961-12-19 | 1962-06-20 | $7700.00 | Window Closed / Lapsed |