US2501340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for plural prime mover dynamo plants
Assignee: Westinghouse Electric Corp
•
Filing: 1946-08-15
•
Granted: 1950-03-21
•
Expires: 1966-08-15
Abstract
No abstract record available.
Inventors
- 👤 Jean V Kresser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:04
CPC Classifications
H; H02; H02J; H02J3/00; H02J3/04; H02J3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1844720A
Cited
US1984940A
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US1920544A
Cited
US1907517A
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US2015555A
Cited
US2059651A
Cited
US2228153A
Cited
US2315490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |