US2632856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wattmetric regulator for prime mover dynamo plants
Assignee: Individual
•
Filing: 1949-12-10
•
Granted: 1953-03-24
•
Expires: 1969-12-10
Abstract
No abstract record available.
Inventors
- 👤 Olin L Dupy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:29
CPC Classifications
H; H02; H02P; H02P9/00; H02P2101/00; H02P2101/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1533356A
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US1586533A
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US1675477A
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US2015556A
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US2095120A
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US2248495A
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US2305952A
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US2298977A
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US2486068A
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US2472571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |