US2470348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet-propelled aircraft
Assignee: Individual
•
Filing: 1944-07-20
•
Granted: 1949-05-17
•
Expires: 1964-07-20
Abstract
No abstract record available.
Inventors
- 👤 Jr John Lewis Haight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:39
CPC Classifications
F; F02; F02C; F02C6/00; F02C6/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1382535A
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FR403730A
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GB191016754A
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FR432727A
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US1669495A
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US1624475A
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US1642752A
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US1938234A
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GB325002A
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US1814948A
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US1854615A
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US1855480A
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US2081151A
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US2162956A
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US2168726A
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US2198229A
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US2283863A
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GB538022A
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US2340396A
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GB542653A
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US2401941A
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FR870648A
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US2348253A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-16 | 1952-11-15 | 1953-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-16 | 1956-11-15 | 1957-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-16 | 1960-11-15 | 1961-05-17 | $7700.00 | Window Closed / Lapsed |