US3419792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for controlling the power factor in the output circuit of a generator
Assignee: Ohio Crankshaft Co
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Filing: 1966-02-01
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Granted: 1968-12-31
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Expires: 1986-02-01
Abstract
No abstract record available.
Inventors
- 👤 Robert J Kasper
- 👤 Jr Stanley J Ryba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:48
CPC Classifications
H; H02; H02J; H02J3/00; H02J3/18; H02J3/1821; H02J3/1828; Y; Y02; Y02E; Y02E40/00; Y02E40/30
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) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |