US2523314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flush deck catapult
Assignee: Individual
•
Filing: 1938-02-08
•
Granted: 1950-09-26
•
Expires: 1958-02-08
Abstract
No abstract record available.
Inventors
- 👤 Lisle J Maxson
- 👤 Frederick B Gross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:25
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/04; B64F1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US922711A
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US1415847A
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US1440812A
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GB292826A
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FR650925A
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US1734353A
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US1765210A
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US1846157A
Cited
US1963081A
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US1930473A
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US1997945A
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US2070721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |