US2916031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reverse gear operating system for marine engines
Assignee: Individual
•
Filing: 1955-11-17
•
Granted: 1959-12-08
•
Expires: 1975-11-17
Abstract
No abstract record available.
Inventors
- 👤 John B Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:39
CPC Classifications
F; F01; F01L; F01L13/00; F01L2760/00; F01L2760/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2241677A
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US1599875A
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US1600660A
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US2154796A
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US2296563A
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US2280407A
Cited
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Cited
US2705487A
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US2744176A
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US9135958B2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |