Patent US2945642A successfully refreshed from Google Patents.
US2945642A
Expired / Lapsed
US
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Static lift wing plane
Assignee: Individual
•
Filing: 1958-02-26
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Granted: 1960-07-19
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Expires: 1978-02-26
Abstract
No abstract record available.
Inventors
- 👤 Nofi Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:40
CPC Classifications
B; B64; B64C; B64C39/00; B64C39/06; B64C39/062; B64C39/064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA522266A
Cited
US1959270A
Cited
US2461435A
Cited
US2515587A
Cited
US2801058A
Cited
US2718364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |