US2985811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current control apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1959-01-15
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Granted: 1961-05-23
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Expires: 1979-01-15
Abstract
No abstract record available.
Inventors
- 👤 Luis E Quintino
- 👤 Paul E Jacobs
- 👤 Loren F Stringer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:54
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |