Patent US2944395A successfully refreshed from Google Patents.
US2944395A
Expired / Lapsed
US
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Means and methods of neutralizing and converting thrust components
Assignee: Doak Aircraft Co Inc
•
Filing: 1955-06-06
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Granted: 1960-07-12
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Expires: 1975-06-06
Abstract
No abstract record available.
Inventors
- 👤 Edmond R Doak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:51
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0041; B64C29/0075; B64C9/00; B64C9/38
Claims Analysis
Total Claims: 0
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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) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |