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Patent US2433488A successfully refreshed from Google Patents.
US2433488A
Expired / Lapsed
US
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Device for launching aircraft or other bodies into the air
Assignee: All American Aviation Inc
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Filing: 1943-01-16
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Granted: 1947-12-30
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Expires: 1963-01-16
Abstract
No abstract record available.
Inventors
- 👤 Arthur B Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:17
CPC Classifications
B; B64; B64D; B64D3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1875467A
Cited
US1313719A
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US834658A
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US1112331A
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US1070197A
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US1459884A
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US1794828A
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US1913508A
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US1877309A
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US2131610A
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US2122766A
Cited
US2373413A
Cited
US2295537A
Cited
US2329943A
Cited
US2373414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-29 | 1951-06-30 | 1951-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-29 | 1955-06-30 | 1955-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-29 | 1959-06-30 | 1959-12-30 | $7700.00 | Window Closed / Lapsed |