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US2565080A
Expired / Lapsed
US
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Method of regulating the supercharge pressure of internal-combustion engines in reversible marine propulsion plants
Assignee: Sulzer AG
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Filing: 1943-11-05
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Granted: 1951-08-21
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Expires: 1963-11-05
Abstract
No abstract record available.
Inventors
- 👤 Lieberherr Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:58
CPC Classifications
F; F01; F01L; F01L13/00; F01L2760/00; F01L2760/002
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) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |