US3012740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft boundary layer control system
Assignee: Fairchild Stratos Corp
•
Filing: 1958-04-04
•
Granted: 1961-12-12
•
Expires: 1978-04-04
Abstract
No abstract record available.
Inventors
- 👤 Wagner Friedrich Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:35
CPC Classifications
B; B64; B64C; B64C23/00; B64C23/005; Y; Y02; Y02T; Y02T50/00; Y02T50/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE768072C
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US2270920A
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US2464369A
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US2584961A
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US2650666A
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US2585676A
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US2620967A
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US2890843A
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US2912189A
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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) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |