US3083936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft
Assignee: Individual
•
Filing: 1959-02-18
•
Granted: 1963-04-02
•
Expires: 1979-02-18
Abstract
No abstract record available.
Inventors
- 👤 Scott C Rethorst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:39
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0016; B60; B60F; B60F5/00; B60F5/02; B64C37/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
AN AIRCRAFT, SAID AIRCRAFT COMPRISING A FUSELAGE, SAID FUSELAGE INCLUDING A FORWARD COMPARTMENT FOR OCCUPANCY AND AN AFT STORAGE COMPARTMENT AND HAVING LANDING SURFACE ENGAGING ELEMENTS EXTENDING THEREFROM, A PAIR OF AIRFOILS EACH PIVOTALLY MOUNTED ON THE FUSELAGE AT ONE SIDE THEREOF FOR SWINGING MOVEMENT BETWEEN AN EXTENDED POSITION AND A RETRACTED POSITION WITHIN THE STORAGE COMPARTMENT, AT LEAST ONE PROPELLER MOUNTED IN EACH OF SAID AIRFOILS IN A PLANE SUBSTANTIALLY PARALLEL TO THE PLANE OF SAID AIRFOILS TO PROVIDE VERTICAL TAKE-OFF, A PROPELLER MOUNTED HORIZONTALLY IN THE FUSELAGE AFT OF THE CENTER OF GRAVITY, AND A PROPELLER MOUNTED AT THE FORWARD END OF THE FUSELAGE FORWARD OF THE CENTER OF GRAVITY, THE LAST SAID PROPELLER BEING ROTATABLE BETWEEN A HORIZONTAL PLANE FOR VERTICAL TAKE-OFF AND A VERTICAL PLANE FOR FORWARD FLIGHT.
Claim 2
Dependent Claim
132 words
AN AIRCRAFT, SAID AIRCRAFT COMPRISING A FUSELAGE, SAID FUSELAGE INCLUDING A FORWARD COMPARTMENT FOR OCCUPANCY AND AN AFT STORAGE COMPARTMENT AND HAVING LANDING SURFACE ENGAGING ELEMENTS EXTENDING THEREFROM, A PAIR OF AIRFOILS EACH PIVOTALLY MOUNTED ON THE FUSELAGE AT ONE SIDE THEREOF FOR SWINGING MOVEMENT BETWEEN AN EXTENDED POSITION AND A RETRACTED POSITION WITHIN THE STORAGE COMPARTMENT, AT LEAST ONE PROPELLER MOUNTED IN EACH OF SAID AIRFOILS IN A PLANE SUBSTANTIALLY PARALLEL TO THE PLANE OF SAID AIRFOILS TO PROVIDE VERTICAL TAKE-OFF, A PROPELLER MOUNTED HORIZONTALLY IN THE FUSELAGE AFT OF THE CENTER OF GRAVITY, AND A PROPELLER MOUNTED AT THE FORWARD END OF THE FUSELAGE FORWARD OF THE CENTER OF GRAVITY, THE LAST SAID PROPELLER BEING ROTATABLE BETWEEN A HORIZONTAL PLANE FOR VERTICAL TAKE-OFF AND A VERTICAL PLANE FOR FORWARD FLIGHT.
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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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |