Patent US3155343A successfully refreshed from Google Patents.
US3155343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible aircraft structure
Assignee: Individual
•
Filing: 1962-01-18
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Granted: 1964-11-03
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Expires: 1982-01-18
Abstract
No abstract record available.
Inventors
- 👤 Black John Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:28
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0016
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
AN AIRCRAFT COMPRISING A CIRCULAR FUSELAGE HAVING A CENTRAL OPENING THERETHROUGH, A CENTRAL ROTATABLE NOSE PORTION SUPPORTED WITHIN THE CENTRAL OPENING OF SAID FUSELAGE AND HAVING ITS OUTER PERIPHERY SPACED FROM THE INNER PERIPHERY OF THE CENTRAL OPENING IN SAID FUSELAGE, AND POWER MEANS SUPPORTED BY SAID NOSE PORTION AND HAVING ITS AXIS MOVABLE RELATIVE TO THE AXIS OF SAID NOSE PORTION FOR PRODUCING AN AIR CURRENT THROUGH THE SPACE BETWEEN SAID NOSE PORTION AND SAID FUSELAGE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |