Patent US3126169A successfully refreshed from Google Patents.
US3126169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
kucher
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:14
CPC Classifications
B; B60; B60V; B60V1/00; B60V1/22; B64; B64C; B64C23/00; B64C23/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
AN AIRCRAFT COMPRISING A SUBSTANTIALLY CLOSED BODY SHAPED TO THE CONFIGURATION OF AN AIRFOIL, OPENINGS IN THE BODY OF THE AIRFOIL SURFACE FOR THE ADMISSION TO THE BODY OF SUBSTANTIALLY ALL OF THE AIR COMPRISING A LIFTING AND PROPULSIVE AIR STREAM, A DUCT FOR THE EXPULSION OF SAID AIR STREAM FROM THE LOWER SURFACE OF THE AIRFOIL IN A DIRECTION HAVING A REARWARD AND DOWNWARD COMPONENT, SAID DUCT EXTENDING A SUBSTANTIAL PORTION OF THE LENGTH OF THE BODY AND BEING INCLINED DOWNWARDLY TOWARDS THE AFT PORTION OF THE BODY AND A PRIME MOVER AND PROPELLER LOCATED WITHIN SAID DUCT FOR THE PROPULSION OF SAID LIFTING AND PROPULSIVE STREAM OF AIR, SAID STREAM OF AIR ENTERING THE BODY AT THE OPENINGS IN THE AIRFOIL SURFACE AND FLOWING REARWARDLY THROUGH SAID DUCT PAST THE PRIME MOVER AND PROPELLER AND OUT OF THE BODY.
Claim 2
Dependent Claim
141 words
AN AIRCRAFT COMPRISING A SUBSTANTIALLY CLOSED BODY SHAPED TO THE CONFIGURATION OF AN AIRFOIL, OPENINGS IN THE BODY OF THE AIRFOIL SURFACE FOR THE ADMISSION TO THE BODY OF SUBSTANTIALLY ALL OF THE AIR COMPRISING A LIFTING AND PROPULSIVE AIR STREAM, A DUCT FOR THE EXPULSION OF SAID AIR STREAM FROM THE LOWER SURFACE OF THE AIRFOIL IN A DIRECTION HAVING A REARWARD AND DOWNWARD COMPONENT, SAID DUCT EXTENDING A SUBSTANTIAL PORTION OF THE LENGTH OF THE BODY AND BEING INCLINED DOWNWARDLY TOWARDS THE AFT PORTION OF THE BODY AND A PRIME MOVER AND PROPELLER LOCATED WITHIN SAID DUCT FOR THE PROPULSION OF SAID LIFTING AND PROPULSIVE STREAM OF AIR, SAID STREAM OF AIR ENTERING THE BODY AT THE OPENINGS IN THE AIRFOIL SURFACE AND FLOWING REARWARDLY THROUGH SAID DUCT PAST THE PRIME MOVER AND PROPELLER AND OUT OF THE BODY.
References Cited (Backward Citations)
US2730311A
Cited
US2867392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |