US2662402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flight test head
Assignee: North American Aviation Corp
•
Filing: 1948-11-22
•
Granted: 1953-12-15
•
Expires: 1968-11-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Daniel B Ince
- 👤 Donald V Shafer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:16
CPC Classifications
B; B64; B64D; B64D43/00; B64D43/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2191955A
Cited
GB124827A
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US1342944A
Cited
US1332810A
Cited
US1620633A
Cited
US2006805A
Cited
US2402311A
Cited
GB610427A
Cited
US2512278A
Cited
US2463585A
Cited
US2554634A
Cited
US2513390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |