US2585332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric controlling apparatus
Assignee: Vickers Inc
•
Filing: 1948-02-10
•
Granted: 1952-02-12
•
Expires: 1968-02-10
Abstract
No abstract record available.
Inventors
- 👤 Frank G Logan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:11
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/02; H02J7/04; H02J7/12; H02J7/90; H02J7/94
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1540307A
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US1728745A
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US1691735A
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US1756924A
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US1715684A
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US2229952A
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US2247983A
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US2341526A
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US2310955A
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US2425743A
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US2464639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |