US2909057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerodynamic heating and loading simulator
Assignee: General Dynamics Corp
•
Filing: 1957-02-25
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Granted: 1959-10-20
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Expires: 1977-02-25
Abstract
No abstract record available.
Inventors
- 👤 Jack B Ottestad
- 👤 Weston D Ayers
- 👤 Jr Samuel A Skeen
- 👤 John J Kavanaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:15
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/08; G01N3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2245269A
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US2399404A
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US2518217A
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US2479984A
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US2576433A
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US2763149A
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US2699060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |