Patent US3070327A successfully refreshed from Google Patents.
US3070327A
Expired / Lapsed
US
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Airplane adapted to start and land on an air cushion
Assignee: Dornier Werke GmbH
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Filing: 1961-08-02
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Granted: 1962-12-25
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Expires: 1981-08-02
Abstract
No abstract record available.
Inventors
- 👤 Dornier Peter
- 👤 Jager Eugen
- 👤 Wiedemer Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:21
CPC Classifications
B; B60; B60V; B60V3/00; B60V3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2364676A
Cited
US2977073A
Cited
DE1040907B
Cited
US2989269A
Cited
US3026066A
Cited
US3013744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |